示例#1
0
文件: ncpdq.c 项目: geoslegend/nco
int 
main(int argc,char **argv)
{
  aed_sct *aed_lst_add_fst=NULL_CEWI;
  aed_sct *aed_lst_scl_fct=NULL_CEWI;

  char **dmn_rdr_lst_in=NULL_CEWI; /* Option a */
  char **fl_lst_abb=NULL; /* Option n */
  char **fl_lst_in=NULL_CEWI;
  char **gaa_arg=NULL; /* [sng] Global attribute arguments */
  char **var_lst_in=NULL_CEWI;
  char **grp_lst_in=NULL_CEWI;
  char *aux_arg[NC_MAX_DIMS];
  char *cmd_ln;
  char *cnk_arg[NC_MAX_DIMS];
  char *cnk_map_sng=NULL_CEWI; /* [sng] Chunking map */
  char *cnk_plc_sng=NULL_CEWI; /* [sng] Chunking policy */
  char *fl_in=NULL;
  char *fl_out=NULL; /* Option o */
  char *fl_out_tmp=NULL_CEWI;
  char *fl_pth=NULL; /* Option p */
  char *fl_pth_lcl=NULL; /* Option l */
  char *lmt_arg[NC_MAX_DIMS];
  char *nco_pck_plc_sng=NULL_CEWI; /* [sng] Packing policy Option P */
  char *nco_pck_map_sng=NULL_CEWI; /* [sng] Packing map Option M */
  char *opt_crr=NULL; /* [sng] String representation of current long-option name */
  char *optarg_lcl; /* [sng] Local copy of system optarg */
  char *ppc_arg[NC_MAX_VARS]; /* [sng] PPC arguments */
  char *sng_cnv_rcd=NULL_CEWI; /* [sng] strtol()/strtoul() return code */
  char add_fst_sng[]="add_offset"; /* [sng] Unidata standard string for add offset */
  char scl_fct_sng[]="scale_factor"; /* [sng] Unidata standard string for scale factor */
  char trv_pth[]="/"; /* [sng] Root path of traversal tree */

  const char * const CVS_Id="$Id$"; 
  const char * const CVS_Revision="$Revision$";
  const char * const opt_sht_lst="3467Aa:CcD:d:Fg:G:hL:l:M:Oo:P:p:Rrt:v:UxZ-:";

  cnk_sct cnk; /* [sct] Chunking structure */

#if defined(__cplusplus) || defined(PGI_CC)
  ddra_info_sct ddra_info;
  ddra_info.flg_ddra=False;
#else /* !__cplusplus */
  ddra_info_sct ddra_info={.flg_ddra=False};
#endif /* !__cplusplus */

  dmn_sct **dmn_rdr_trv=NULL; /* [sct] Dimension structures to be re-ordered (from global table) */

  extern char *optarg;
  extern int optind;

  /* Using naked stdin/stdout/stderr in parallel region generates warning
  Copy appropriate filehandle to variable scoped shared in parallel clause */
  FILE * const fp_stderr=stderr; /* [fl] stderr filehandle CEWI */
  FILE * const fp_stdout=stdout; /* [fl] stdout filehandle CEWI */

  gpe_sct *gpe=NULL; /* [sng] Group Path Editing (GPE) structure */

  int *in_id_arr;

  int abb_arg_nbr=0;
  int aux_nbr=0; /* [nbr] Number of auxiliary coordinate hyperslabs specified */
  int cnk_map=nco_cnk_map_nil; /* [enm] Chunking map */
  int cnk_nbr=0; /* [nbr] Number of chunk sizes */
  int cnk_plc=nco_cnk_plc_nil; /* [enm] Chunking policy */
  int dfl_lvl=NCO_DFL_LVL_UNDEFINED; /* [enm] Deflate level */
  int dmn_rdr_nbr=0; /* [nbr] Number of dimension to re-order */
  int dmn_rdr_nbr_trv=0; /* [nbr] Number of dimension to re-order (from global table) */
  int dmn_rdr_nbr_in=0; /* [nbr] Original number of dimension to re-order */
  int fl_idx=int_CEWI;
  int fl_nbr=0;
  int fl_in_fmt; /* [enm] Input file format */
  int fl_out_fmt=NCO_FORMAT_UNDEFINED; /* [enm] Output file format */
  int fll_md_old; /* [enm] Old fill mode */
  int gaa_nbr=0; /* [nbr] Number of global attributes to add */
  int idx=int_CEWI;
  int idx_rdr=int_CEWI;
  int in_id;  
  int lmt_nbr=0; /* Option d. NB: lmt_nbr gets incremented */
  int md_open; /* [enm] Mode flag for nc_open() call */
  int nbr_dmn_fl;
  int nbr_var_fix; /* nbr_var_fix gets incremented */
  int nbr_var_fl;
  int nbr_var_prc; /* nbr_var_prc gets incremented */
  int nco_pck_map=nco_pck_map_flt_sht; /* [enm] Packing map */
  int nco_pck_plc=nco_pck_plc_nil; /* [enm] Packing policy */
  int opt;
  int out_id;  
  int ppc_nbr=0; /* [nbr] Number of PPC arguments */
  int rcd=NC_NOERR; /* [rcd] Return code */
  int thr_idx; /* [idx] Index of current thread */
  int thr_nbr=int_CEWI; /* [nbr] Thread number Option t */
  int xtr_nbr=0; /* xtr_nbr won't otherwise be set for -c with no -v */
  int var_lst_in_nbr=0;
  int grp_lst_in_nbr=0; /* [nbr] Number of groups explicitly specified by user */

  md5_sct *md5=NULL; /* [sct] MD5 configuration */

  nco_bool *dmn_rvr_rdr=NULL; /* [flg] Reverse dimensions */
  nco_bool CNV_CCM_CCSM_CF;
  nco_bool EXCLUDE_INPUT_LIST=False; /* Option c */
  nco_bool EXTRACT_ALL_COORDINATES=False; /* Option c */
  nco_bool EXTRACT_ASSOCIATED_COORDINATES=True; /* Option C */
  nco_bool FL_RTR_RMT_LCN;
  nco_bool FL_LST_IN_FROM_STDIN=False; /* [flg] fl_lst_in comes from stdin */
  nco_bool FORCE_APPEND=False; /* Option A */
  nco_bool FORCE_OVERWRITE=False; /* Option O */
  nco_bool FORTRAN_IDX_CNV=False; /* Option F */
  nco_bool GRP_VAR_UNN=False; /* [flg] Select union of specified groups and variables */
  nco_bool HISTORY_APPEND=True; /* Option h */
  nco_bool IS_REORDER=False; /* Re-order mode */
  nco_bool MSA_USR_RDR=False; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order*/
  nco_bool RAM_CREATE=False; /* [flg] Create file in RAM */
  nco_bool RAM_OPEN=False; /* [flg] Open (netCDF3-only) file(s) in RAM */
  nco_bool RM_RMT_FL_PST_PRC=True; /* Option R */
  nco_bool WRT_TMP_FL=True; /* [flg] Write output to temporary file */
  nco_bool flg_cln=True; /* [flg] Clean memory prior to exit */
  nco_bool flg_dmn_prc_usr_spc=False; /* [flg] Processed dimensions specified on command line */

  size_t bfr_sz_hnt=NC_SIZEHINT_DEFAULT; /* [B] Buffer size hint */
  size_t cnk_min_byt=NCO_CNK_SZ_MIN_BYT_DFL; /* [B] Minimize size of variable to chunk */
  size_t cnk_sz_byt=0UL; /* [B] Chunk size in bytes */
  size_t cnk_sz_scl=0UL; /* [nbr] Chunk size scalar */
  size_t hdr_pad=0UL; /* [B] Pad at end of header section */

  var_sct **var;
  var_sct **var_fix;
  var_sct **var_fix_out;
  var_sct **var_out;
  var_sct **var_prc;
  var_sct **var_prc_out;

  trv_tbl_sct *trv_tbl=NULL; /* [lst] Traversal table */

  nco_dmn_dne_t *flg_dne=NULL; /* [lst] Flag to check if input dimension -d "does not exist" */

#ifdef ENABLE_MPI
  /* Declare all MPI-specific variables here */
  MPI_Comm mpi_cmm=MPI_COMM_WORLD; /* [prc] Communicator */
  int prc_rnk; /* [idx] Process rank */
  int prc_nbr=0; /* [nbr] Number of MPI processes */
#endif /* !ENABLE_MPI */
  
  static struct option opt_lng[]={ /* Structure ordered by short option key if possible */
    /* Long options with no argument, no short option counterpart */
    {"cln",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"clean",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"mmr_cln",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"drt",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"dirty",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"mmr_drt",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"hdf4",no_argument,0,0}, /* [flg] Treat file as HDF4 */
    {"hdf_upk",no_argument,0,0}, /* [flg] HDF unpack convention: unpacked=scale_factor*(packed-add_offset) */
    {"hdf_unpack",no_argument,0,0}, /* [flg] HDF unpack convention: unpacked=scale_factor*(packed-add_offset) */
    {"mrd",no_argument,0,0}, /* [enm] Multiple Record Dimension convention */
    {"multiple_record_dimension",no_argument,0,0}, /* [enm] Multiple Record Dimension convention */
    {"msa_usr_rdr",no_argument,0,0}, /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
    {"msa_user_order",no_argument,0,0}, /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
    {"ram_all",no_argument,0,0}, /* [flg] Open (netCDF3) and create file(s) in RAM */
    {"create_ram",no_argument,0,0}, /* [flg] Create file in RAM */
    {"open_ram",no_argument,0,0}, /* [flg] Open (netCDF3) file(s) in RAM */
    {"diskless_all",no_argument,0,0}, /* [flg] Open (netCDF3) and create file(s) in RAM */
    {"wrt_tmp_fl",no_argument,0,0}, /* [flg] Write output to temporary file */
    {"write_tmp_fl",no_argument,0,0}, /* [flg] Write output to temporary file */
    {"no_tmp_fl",no_argument,0,0}, /* [flg] Do not write output to temporary file */
    {"intersection",no_argument,0,0}, /* [flg] Select intersection of specified groups and variables */
    {"nsx",no_argument,0,0}, /* [flg] Select intersection of specified groups and variables */
    {"union",no_argument,0,0}, /* [flg] Select union of specified groups and variables */
    {"unn",no_argument,0,0}, /* [flg] Select union of specified groups and variables */
    {"version",no_argument,0,0},
    {"vrs",no_argument,0,0},
    /* Long options with argument, no short option counterpart */
    {"bfr_sz_hnt",required_argument,0,0}, /* [B] Buffer size hint */
    {"buffer_size_hint",required_argument,0,0}, /* [B] Buffer size hint */
    {"cnk_byt",required_argument,0,0}, /* [B] Chunk size in bytes */
    {"chunk_byte",required_argument,0,0}, /* [B] Chunk size in bytes */
    {"cnk_dmn",required_argument,0,0}, /* [nbr] Chunk size */
    {"chunk_dimension",required_argument,0,0}, /* [nbr] Chunk size */
    {"cnk_map",required_argument,0,0}, /* [nbr] Chunking map */
    {"chunk_map",required_argument,0,0}, /* [nbr] Chunking map */
    {"cnk_min",required_argument,0,0}, /* [B] Minimize size of variable to chunk */
    {"chunk_min",required_argument,0,0}, /* [B] Minimize size of variable to chunk */
    {"cnk_plc",required_argument,0,0}, /* [nbr] Chunking policy */
    {"chunk_policy",required_argument,0,0}, /* [nbr] Chunking policy */
    {"cnk_scl",required_argument,0,0}, /* [nbr] Chunk size scalar */
    {"chunk_scalar",required_argument,0,0}, /* [nbr] Chunk size scalar */
    {"fl_fmt",required_argument,0,0},
    {"file_format",required_argument,0,0},
    {"gaa",required_argument,0,0}, /* [sng] Global attribute add */
    {"glb_att_add",required_argument,0,0}, /* [sng] Global attribute add */
    {"hdr_pad",required_argument,0,0},
    {"header_pad",required_argument,0,0},
    {"ppc",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
    {"precision_preserving_compression",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
    {"quantize",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
    {"upk",required_argument,0,0}, /* [enm] Unpacking convention to utilize */
    /* Long options with short counterparts */
    {"3",no_argument,0,'3'},
    {"4",no_argument,0,'4'},
    {"64bit",no_argument,0,'4'},
    {"netcdf4",no_argument,0,'4'},
    {"append",no_argument,0,'A'},
    {"arrange",required_argument,0,'a'},
    {"permute",required_argument,0,'a'},
    {"reorder",required_argument,0,'a'},
    {"rdr",required_argument,0,'a'},
    {"no-coords",no_argument,0,'C'},
    {"no-crd",no_argument,0,'C'},
    {"coords",no_argument,0,'c'},
    {"crd",no_argument,0,'c'},
    {"debug",required_argument,0,'D'},
    {"nco_dbg_lvl",required_argument,0,'D'},
    {"dimension",required_argument,0,'d'},
    {"dmn",required_argument,0,'d'},
    {"fortran",no_argument,0,'F'},
    {"ftn",no_argument,0,'F'},
    {"gpe",required_argument,0,'G'}, /* [sng] Group Path Edit (GPE) */
    {"grp",required_argument,0,'g'},
    {"group",required_argument,0,'g'},
    {"history",no_argument,0,'h'},
    {"hst",no_argument,0,'h'},
    {"dfl_lvl",required_argument,0,'L'}, /* [enm] Deflate level */
    {"deflate",required_argument,0,'L'}, /* [enm] Deflate level */
    {"local",required_argument,0,'l'},
    {"lcl",required_argument,0,'l'},
    {"pack_map",required_argument,0,'M'},
    {"pck_map",required_argument,0,'M'},
    {"map",required_argument,0,'M'},
    {"overwrite",no_argument,0,'O'},
    {"ovr",no_argument,0,'O'},
    {"output",required_argument,0,'o'},
    {"fl_out",required_argument,0,'o'},
    {"pack_policy",required_argument,0,'P'},
    {"pck_plc",required_argument,0,'P'},
    {"path",required_argument,0,'p'},
    {"retain",no_argument,0,'R'},
    {"rtn",no_argument,0,'R'},
    {"revision",no_argument,0,'r'},
    {"thr_nbr",required_argument,0,'t'},
    {"threads",required_argument,0,'t'},
    {"omp_num_threads",required_argument,0,'t'},
    {"unpack",no_argument,0,'U'},
    {"variable",required_argument,0,'v'},
    {"auxiliary",required_argument,0,'X'},
    {"exclude",no_argument,0,'x'},
    {"xcl",no_argument,0,'x'},
    {"help",no_argument,0,'?'},
    {"hlp",no_argument,0,'?'},
    {0,0,0,0}
  }; /* end opt_lng */
  int opt_idx=0; /* Index of current long option into opt_lng array */

  /* Initialize traversal table */ 
  trv_tbl_init(&trv_tbl);

  /* Start timer and save command line */ 
  ddra_info.tmr_flg=nco_tmr_srt;
  rcd+=nco_ddra((char *)NULL,(char *)NULL,&ddra_info);
  ddra_info.tmr_flg=nco_tmr_mtd;
  cmd_ln=nco_cmd_ln_sng(argc,argv);

  /* Get program name and set program enum (e.g., nco_prg_id=ncra) */
  nco_prg_nm=nco_prg_prs(argv[0],&nco_prg_id);

#ifdef ENABLE_MPI
  /* MPI Initialization */
  if(False) (void)fprintf(stdout,gettext("%s: WARNING Compiled with MPI\n"),nco_prg_nm);
  MPI_Init(&argc,&argv);
  MPI_Comm_size(mpi_cmm,&prc_nbr);
  MPI_Comm_rank(mpi_cmm,&prc_rnk);
#endif /* !ENABLE_MPI */
  
  /* Parse command line arguments */
  while(1){
    /* getopt_long_only() allows one dash to prefix long options */
    opt=getopt_long(argc,argv,opt_sht_lst,opt_lng,&opt_idx);
    /* NB: access to opt_crr is only valid when long_opt is detected */
    if(opt == EOF) break; /* Parse positional arguments once getopt_long() returns EOF */
    opt_crr=(char *)strdup(opt_lng[opt_idx].name);

    /* Process long options without short option counterparts */
    if(opt == 0){
      if(!strcmp(opt_crr,"bfr_sz_hnt") || !strcmp(opt_crr,"buffer_size_hint")){
        bfr_sz_hnt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_byt") || !strcmp(opt_crr,"chunk_byte")){
        cnk_sz_byt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk_byt */
      if(!strcmp(opt_crr,"cnk_min") || !strcmp(opt_crr,"chunk_min")){
        cnk_min_byt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk_min */
      if(!strcmp(opt_crr,"cnk_dmn") || !strcmp(opt_crr,"chunk_dimension")){
        /* Copy limit argument for later processing */
        cnk_arg[cnk_nbr]=(char *)strdup(optarg);
        cnk_nbr++;
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_scl") || !strcmp(opt_crr,"chunk_scalar")){
        cnk_sz_scl=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_map") || !strcmp(opt_crr,"chunk_map")){
        /* Chunking map */
        cnk_map_sng=(char *)strdup(optarg);
        cnk_map=nco_cnk_map_get(cnk_map_sng);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_plc") || !strcmp(opt_crr,"chunk_policy")){
        /* Chunking policy */
        cnk_plc_sng=(char *)strdup(optarg);
        cnk_plc=nco_cnk_plc_get(cnk_plc_sng);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cln") || !strcmp(opt_crr,"mmr_cln") || !strcmp(opt_crr,"clean")) flg_cln=True; /* [flg] Clean memory prior to exit */
      if(!strcmp(opt_crr,"drt") || !strcmp(opt_crr,"mmr_drt") || !strcmp(opt_crr,"dirty")) flg_cln=False; /* [flg] Clean memory prior to exit */
      if(!strcmp(opt_crr,"fl_fmt") || !strcmp(opt_crr,"file_format")) rcd=nco_create_mode_prs(optarg,&fl_out_fmt);
      if(!strcmp(opt_crr,"gaa") || !strcmp(opt_crr,"glb_att_add")){
        gaa_arg=(char **)nco_realloc(gaa_arg,(gaa_nbr+1)*sizeof(char *));
        gaa_arg[gaa_nbr++]=(char *)strdup(optarg);
      } /* endif gaa */
      if(!strcmp(opt_crr,"hdf4")) nco_fmt_xtn=nco_fmt_xtn_hdf4; /* [enm] Treat file as HDF4 */
      if(!strcmp(opt_crr,"hdf_upk") || !strcmp(opt_crr,"hdf_unpack")) nco_upk_cnv=nco_upk_HDF_MOD10; /* [flg] HDF unpack convention: unpacked=scale_factor*(packed-add_offset) */
      if(!strcmp(opt_crr,"hdr_pad") || !strcmp(opt_crr,"header_pad")){
        hdr_pad=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif "hdr_pad" */
      if(!strcmp(opt_crr,"ppc") || !strcmp(opt_crr,"precision_preserving_compression") || !strcmp(opt_crr,"quantize")){
        ppc_arg[ppc_nbr]=(char *)strdup(optarg);
        ppc_nbr++;
      } /* endif "ppc" */
      if(!strcmp(opt_crr,"mrd") || !strcmp(opt_crr,"multiple_record_dimension")) nco_mrd_cnv=nco_mrd_allow; /* [enm] Multiple Record Dimension convention */
      if(!strcmp(opt_crr,"msa_usr_rdr") || !strcmp(opt_crr,"msa_user_order")) MSA_USR_RDR=True; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
      if(!strcmp(opt_crr,"ram_all") || !strcmp(opt_crr,"create_ram") || !strcmp(opt_crr,"diskless_all")) RAM_CREATE=True; /* [flg] Open (netCDF3) file(s) in RAM */
      if(!strcmp(opt_crr,"ram_all") || !strcmp(opt_crr,"open_ram") || !strcmp(opt_crr,"diskless_all")) RAM_OPEN=True; /* [flg] Create file in RAM */
      if(!strcmp(opt_crr,"unn") || !strcmp(opt_crr,"union")) GRP_VAR_UNN=True;
      if(!strcmp(opt_crr,"nsx") || !strcmp(opt_crr,"intersection")) GRP_VAR_UNN=False;
      if(!strcmp(opt_crr,"upk")){ /* [enm] Unpacking convention to utilize */
        nco_upk_cnv=(int)strtol(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtol",sng_cnv_rcd);
      } /* endif "hdr_pad" */
      if(!strcmp(opt_crr,"vrs") || !strcmp(opt_crr,"version")){
        (void)nco_vrs_prn(CVS_Id,CVS_Revision);
        nco_exit(EXIT_SUCCESS);
      } /* endif "vrs" */
      if(!strcmp(opt_crr,"wrt_tmp_fl") || !strcmp(opt_crr,"write_tmp_fl")) WRT_TMP_FL=True;
      if(!strcmp(opt_crr,"no_tmp_fl")) WRT_TMP_FL=False;
    } /* opt != 0 */
    /* Process short options */
    switch(opt){
    case 0: /* Long options have already been processed, return */
      break;
    case '3': /* Request netCDF3 output storage format */
      fl_out_fmt=NC_FORMAT_CLASSIC;
      break;
    case '4': /* Catch-all to prescribe output storage format */
      if(!strcmp(opt_crr,"64bit")) fl_out_fmt=NC_FORMAT_64BIT; else fl_out_fmt=NC_FORMAT_NETCDF4; 
      break;
    case '6': /* Request netCDF3 64-bit offset output storage format */
      fl_out_fmt=NC_FORMAT_64BIT;
      break;
    case '7': /* Request netCDF4-classic output storage format */
      fl_out_fmt=NC_FORMAT_NETCDF4_CLASSIC;
      break;
    case 'A': /* Toggle FORCE_APPEND */
      FORCE_APPEND=!FORCE_APPEND;
      break;
    case 'a': /* Re-order dimensions */
      flg_dmn_prc_usr_spc=True;
      dmn_rdr_lst_in=nco_lst_prs_2D(optarg,",",&dmn_rdr_nbr_in);
      dmn_rdr_nbr=dmn_rdr_nbr_in;
      break;
    case 'C': /* Extract all coordinates associated with extracted variables? */
      EXTRACT_ASSOCIATED_COORDINATES=False;
      break;
    case 'c':
      EXTRACT_ALL_COORDINATES=True;
      break;
    case 'D': /* Debugging level. Default is 0. */
      nco_dbg_lvl=(unsigned short int)strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      nc_set_log_level(nco_dbg_lvl);
      break;
    case 'd': /* Copy limit argument for later processing */
      lmt_arg[lmt_nbr]=(char *)strdup(optarg);
      lmt_nbr++;
      break;
    case 'F': /* Toggle index convention. Default is 0-based arrays (C-style). */
      FORTRAN_IDX_CNV=!FORTRAN_IDX_CNV;
      break;
    case 'G': /* Apply Group Path Editing (GPE) to output group */
      /* NB: GNU getopt() optional argument syntax is ugly (requires "=" sign) so avoid it
      http://stackoverflow.com/questions/1052746/getopt-does-not-parse-optional-arguments-to-parameters */
      gpe=nco_gpe_prs_arg(optarg);
      fl_out_fmt=NC_FORMAT_NETCDF4; 
      break;
    case 'g': /* Copy group argument for later processing */
      /* Replace commas with hashes when within braces (convert back later) */
      optarg_lcl=(char *)strdup(optarg);
      (void)nco_rx_comma2hash(optarg_lcl);
      grp_lst_in=nco_lst_prs_2D(optarg_lcl,",",&grp_lst_in_nbr);
      optarg_lcl=(char *)nco_free(optarg_lcl);
      break;
    case 'h': /* Toggle appending to history global attribute */
      HISTORY_APPEND=!HISTORY_APPEND;
      break;
    case 'L': /* [enm] Deflate level. Default is 0. */
      dfl_lvl=(int)strtol(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtol",sng_cnv_rcd);
      break;
    case 'l': /* Local path prefix for files retrieved from remote file system */
      fl_pth_lcl=(char *)strdup(optarg);
      break;
    case 'M': /* Packing map */
      nco_pck_map_sng=(char *)strdup(optarg);
      nco_pck_map=nco_pck_map_get(nco_pck_map_sng);
      break;
    case 'O': /* Toggle FORCE_OVERWRITE */
      FORCE_OVERWRITE=!FORCE_OVERWRITE;
      break;
    case 'o': /* Name of output file */
      fl_out=(char *)strdup(optarg);
      break;
    case 'P': /* Packing policy */
      nco_pck_plc_sng=(char *)strdup(optarg);
      break;
    case 'p': /* Common file path */
      fl_pth=(char *)strdup(optarg);
      break;
    case 'R': /* Toggle removal of remotely-retrieved-files. Default is True. */
      RM_RMT_FL_PST_PRC=!RM_RMT_FL_PST_PRC;
      break;
    case 'r': /* Print CVS program information and copyright notice */
      (void)nco_vrs_prn(CVS_Id,CVS_Revision);
      (void)nco_lbr_vrs_prn();
      (void)nco_cpy_prn();
      (void)nco_cnf_prn();
      nco_exit(EXIT_SUCCESS);
      break;
    case 't': /* Thread number */
      thr_nbr=(int)strtol(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtol",sng_cnv_rcd);
      break;
    case 'U': /* Unpacking switch */
      nco_pck_plc_sng=(char *)strdup("upk");
      break;
    case 'v': /* Variables to extract/exclude */
      /* Replace commas with hashes when within braces (convert back later) */
      optarg_lcl=(char *)strdup(optarg);
      (void)nco_rx_comma2hash(optarg_lcl);
      var_lst_in=nco_lst_prs_2D(optarg_lcl,",",&var_lst_in_nbr);
      optarg_lcl=(char *)nco_free(optarg_lcl);
      xtr_nbr=var_lst_in_nbr;
      break;
    case 'X': /* Copy auxiliary coordinate argument for later processing */
      aux_arg[aux_nbr]=(char *)strdup(optarg);
      aux_nbr++;
      MSA_USR_RDR=True; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */      
      break;
    case 'x': /* Exclude rather than extract variables specified with -v */
      EXCLUDE_INPUT_LIST=True;
      break;
    case '?': /* Print proper usage */
      (void)nco_usg_prn();
      nco_exit(EXIT_SUCCESS);
      break;
    case '-': /* Long options are not allowed */
      (void)fprintf(stderr,"%s: ERROR Long options are not available in this build. Use single letter options instead.\n",nco_prg_nm_get());
      nco_exit(EXIT_FAILURE);
      break;
    default: /* Print proper usage */
      (void)fprintf(stdout,"%s ERROR in command-line syntax/options. Please reformulate command accordingly.\n",nco_prg_nm_get());
      (void)nco_usg_prn();
      nco_exit(EXIT_FAILURE);
      break;
    } /* end switch */
    if(opt_crr) opt_crr=(char *)nco_free(opt_crr);
  } /* end while loop */

  /* Set re-order flag */
  if(dmn_rdr_nbr > 0) IS_REORDER=True; 

  /* No re-order dimensions specified implies packing request */
  if(dmn_rdr_nbr == 0){
    if(nco_pck_plc == nco_pck_plc_nil) nco_pck_plc=nco_pck_plc_get(nco_pck_plc_sng);
    if(nco_dbg_lvl >= nco_dbg_scl) (void)fprintf(stderr,"%s: DEBUG Packing map is %s and packing policy is %s\n",nco_prg_nm_get(),nco_pck_map_sng_get(nco_pck_map),nco_pck_plc_sng_get(nco_pck_plc));
  } /* dmn_rdr_nbr != 0 */

  /* From this point forward, assume ncpdq operator packs or re-orders, not both */
  if(dmn_rdr_nbr > 0 && nco_pck_plc != nco_pck_plc_nil){
    (void)fprintf(fp_stdout,"%s: ERROR %s does not support simultaneous dimension re-ordering  (-a switch) and packing (-P switch).\nHINT: Invoke %s twice, once to re-order (with -a), and once to pack (with -P).\n",nco_prg_nm,nco_prg_nm,nco_prg_nm);
    nco_exit(EXIT_FAILURE);
  } /* endif */

  /* Process positional arguments and fill in filenames */
  fl_lst_in=nco_fl_lst_mk(argv,argc,optind,&fl_nbr,&fl_out,&FL_LST_IN_FROM_STDIN);

  /* Initialize thread information */
  thr_nbr=nco_openmp_ini(thr_nbr);
  in_id_arr=(int *)nco_malloc(thr_nbr*sizeof(int));

  /* Parse filename */
  fl_in=nco_fl_nm_prs(fl_in,0,&fl_nbr,fl_lst_in,abb_arg_nbr,fl_lst_abb,fl_pth);
  /* Make sure file is on local system and is readable or die trying */
  fl_in=nco_fl_mk_lcl(fl_in,fl_pth_lcl,&FL_RTR_RMT_LCN);
  /* Open file using appropriate buffer size hints and verbosity */
  if(RAM_OPEN) md_open=NC_NOWRITE|NC_DISKLESS; else md_open=NC_NOWRITE;
  rcd+=nco_fl_open(fl_in,md_open,&bfr_sz_hnt,&in_id);

  /* Get file format */
  (void)nco_inq_format(in_id,&fl_in_fmt);

  /* Construct GTT, Group Traversal Table (groups,variables,dimensions, limits) */
  (void)nco_bld_trv_tbl(in_id,trv_pth,lmt_nbr,lmt_arg,aux_nbr,aux_arg,MSA_USR_RDR,FORTRAN_IDX_CNV,grp_lst_in,grp_lst_in_nbr,var_lst_in,xtr_nbr,EXTRACT_ALL_COORDINATES,GRP_VAR_UNN,False,EXCLUDE_INPUT_LIST,EXTRACT_ASSOCIATED_COORDINATES,nco_pck_plc_nil,&flg_dne,trv_tbl);

  /* Were all user-specified dimensions found? */ 
  (void)nco_chk_dmn(lmt_nbr,flg_dne);     

  /* Create reversed dimension list */
  if(dmn_rdr_nbr_in > 0){
    dmn_rvr_rdr=(nco_bool *)nco_malloc(dmn_rdr_nbr_in*sizeof(nco_bool));
    /* Is dimension to be reversed? i.e., does string begin with minus-sign '-'? */
    for(idx_rdr=0;idx_rdr<dmn_rdr_nbr_in;idx_rdr++){
      if(dmn_rdr_lst_in[idx_rdr][0] == '-'){
        dmn_rvr_rdr[idx_rdr]=True;
        /* Strip-out '-': Copy string to new memory one past negative sign to avoid losing byte */
        optarg_lcl=dmn_rdr_lst_in[idx_rdr];
        dmn_rdr_lst_in[idx_rdr]=(char *)strdup(optarg_lcl+1L);
        optarg_lcl=(char *)nco_free(optarg_lcl);
      }else{
        dmn_rvr_rdr[idx_rdr]=False;
      } /* !'-' */
    } /* !idx_rdr */
  } /* !dmn_rdr_nbr_in */

  /* Get number of variables, dimensions, and global attributes in file, file format */
  (void)trv_tbl_inq((int *)NULL,(int *)NULL,(int *)NULL,&nbr_dmn_fl,(int *)NULL,(int *)NULL,(int *)NULL,(int *)NULL,&nbr_var_fl,trv_tbl);

  /* Create list of dimensions to average(ncwa)/re-order(ncpdq) */
  if(IS_REORDER) (void)nco_dmn_avg_mk(in_id,dmn_rdr_lst_in,dmn_rdr_nbr_in,flg_dmn_prc_usr_spc,False,trv_tbl,&dmn_rdr_trv,&dmn_rdr_nbr_trv);

  /* Fill-in variable structure list for all extracted variables */
  var=nco_fll_var_trv(in_id,&xtr_nbr,trv_tbl);

  /* Duplicate to output array */
  var_out=(var_sct **)nco_malloc(xtr_nbr*sizeof(var_sct *));
  for(idx=0;idx<xtr_nbr;idx++){
    var_out[idx]=nco_var_dpl(var[idx]);
    (void)nco_xrf_var(var[idx],var_out[idx]);
    (void)nco_xrf_dmn(var_out[idx]);
  } /* end loop over variables */

  /* Refresh var_out with dim_out data */
  (void)nco_var_dmn_refresh(var_out,xtr_nbr);

  /* Is this a CCM/CCSM/CF-format history tape? */
  CNV_CCM_CCSM_CF=nco_cnv_ccm_ccsm_cf_inq(in_id);

  /* Divide variable lists into lists of fixed variables and variables to be processed */
  (void)nco_var_lst_dvd(var,var_out,xtr_nbr,CNV_CCM_CCSM_CF,True,nco_pck_map,nco_pck_plc,dmn_rdr_trv,dmn_rdr_nbr_trv,&var_fix,&var_fix_out,&nbr_var_fix,&var_prc,&var_prc_out,&nbr_var_prc,trv_tbl);

  /* Store processed and fixed variables info into GTT */
  (void)nco_var_prc_fix_trv(nbr_var_prc,var_prc,nbr_var_fix,var_fix,trv_tbl);

  /* We now have final list of variables to extract. Phew. */

  /* Make output and input files consanguinous */
  if(fl_out_fmt == NCO_FORMAT_UNDEFINED) fl_out_fmt=fl_in_fmt;

  /* Initialize, decode, and set PPC information */
  if(ppc_nbr > 0) nco_ppc_ini(in_id,&dfl_lvl,fl_out_fmt,ppc_arg,ppc_nbr,trv_tbl);

  /* Verify output file format supports requested actions */
  (void)nco_fl_fmt_vet(fl_out_fmt,cnk_nbr,dfl_lvl);

  /* Open output file */
  fl_out_tmp=nco_fl_out_open(fl_out,&FORCE_APPEND,FORCE_OVERWRITE,fl_out_fmt,&bfr_sz_hnt,RAM_CREATE,RAM_OPEN,WRT_TMP_FL,&out_id);

  /* Initialize chunking from user-specified inputs */
  if(fl_out_fmt == NC_FORMAT_NETCDF4 || fl_out_fmt == NC_FORMAT_NETCDF4_CLASSIC) rcd+=nco_cnk_ini(in_id,fl_out,cnk_arg,cnk_nbr,cnk_map,cnk_plc,cnk_min_byt,cnk_sz_byt,cnk_sz_scl,&cnk);

  if(IS_REORDER){

    dmn_sct **dmn_rdr=NULL; /* [sct] Dimension structures to be re-ordered */

    /* "dmn_rdr" is only used for input to function nco_var_dmn_rdr_mtd(), that compares dimensions by short name;
       this is because the input list of -a are dimension short names; group support is obtained combining with -g option;
       on input it contains a list of dimension short names (in "dmn_rdr"), that together with input array "dmn_rvr_rdr"
       of flags that determine if dimension at index dmn_rvr_rdr[index] is to be reversed; use cases:
       in_grp_8.nc contains the dimensions /g1/lat, /g1/lon, /g2/lat, /g2/lon
       ncpdq -O -v lat,lon -a -lat,-lon -g g1,g2 ~/nco/data/in_grp_8.nc out1.nc
       "dmn_rdr" contains names ["lat"], ["lon"],  striped of '-' (minus) sign and dmn_rvr_rdr contains [True],[True ]
       output is reversed /g1/lat, /g1/lon, /g2/lat, /g2/lon
       ncpdq -O -v lat,lon -a lat,-lon -g g1,g2 ~/nco/data/in_grp_8.nc out1.nc
       "dmn_rdr" contains names ["lat"], ["lon"], and dmn_rvr_rdr contains [False],[True ] 
       output is reversed /g1/lon, /g2/lon */

    /* Form list of re-ordering dimensions from extracted input dimensions */
    dmn_rdr=(dmn_sct **)nco_malloc(dmn_rdr_nbr*sizeof(dmn_sct *));

    /* Initialize re-ordering dimensions; initialize only short name */
    for(idx_rdr=0;idx_rdr<dmn_rdr_nbr_in;idx_rdr++){
      dmn_rdr[idx_rdr]=(dmn_sct *)nco_malloc(sizeof(dmn_sct));
      dmn_rdr[idx_rdr]->nm=(char *)strdup(dmn_rdr_lst_in[idx_rdr]);
      dmn_rdr[idx_rdr]->nm_fll=NULL;
      dmn_rdr[idx_rdr]->id=-1;
    }

    /* Determine and set new dimensionality in metadata of each re-ordered variable */
    (void)nco_var_dmn_rdr_mtd_trv(trv_tbl,nbr_var_prc,var_prc,var_prc_out,nbr_var_fix,var_fix,dmn_rdr,dmn_rdr_nbr,dmn_rvr_rdr);

    for(idx_rdr=0; idx_rdr<dmn_rdr_nbr_in; idx_rdr++){
      dmn_rdr[idx_rdr]->nm=(char *)nco_free(dmn_rdr[idx_rdr]->nm);
      dmn_rdr[idx_rdr]=(dmn_sct *)nco_free(dmn_rdr[idx_rdr]);
    }
    dmn_rdr=(dmn_sct **)nco_free(dmn_rdr);
  } /* IS_REORDER */

  /* Alter metadata for variables that will be packed */
  if(nco_pck_plc != nco_pck_plc_nil){
    if(nco_pck_plc != nco_pck_plc_upk){
      /* Allocate attribute list container for maximum number of entries */
      aed_lst_add_fst=(aed_sct *)nco_malloc(nbr_var_prc*sizeof(aed_sct));
      aed_lst_scl_fct=(aed_sct *)nco_malloc(nbr_var_prc*sizeof(aed_sct));
    } /* endif packing */
    for(idx=0;idx<nbr_var_prc;idx++){
      nco_pck_mtd(var_prc[idx],var_prc_out[idx],nco_pck_map,nco_pck_plc);
      if(nco_pck_plc != nco_pck_plc_upk){
        /* Use same copy of attribute name for all edits */
        aed_lst_add_fst[idx].att_nm=add_fst_sng;
        aed_lst_scl_fct[idx].att_nm=scl_fct_sng;
      } /* endif packing */
    } /* end loop over var_prc */

    /* Transfer variable type to table. NB: Use processed variables set with new type. MUST be done before definition */
    (void)nco_var_typ_trv(nbr_var_prc,var_prc_out,trv_tbl);    
  } /* nco_pck_plc == nco_pck_plc_nil */

  /* Define dimensions, extracted groups, variables, and attributes in output file. NB: record name is NULL */
  (void)nco_xtr_dfn(in_id,out_id,&cnk,dfl_lvl,gpe,md5,!FORCE_APPEND,True,False,nco_pck_plc,(char *)NULL,trv_tbl);

  /* Catenate time-stamped command line to "history" global attribute */
  if(HISTORY_APPEND) (void)nco_hst_att_cat(out_id,cmd_ln);
  if(HISTORY_APPEND && FORCE_APPEND) (void)nco_prv_att_cat(fl_in,in_id,out_id);
  if(gaa_nbr > 0) (void)nco_glb_att_add(out_id,gaa_arg,gaa_nbr);
  if(HISTORY_APPEND) (void)nco_vrs_att_cat(out_id);
  if(thr_nbr > 0 && HISTORY_APPEND) (void)nco_thr_att_cat(out_id,thr_nbr);

  /* Turn-off default filling behavior to enhance efficiency */
  nco_set_fill(out_id,NC_NOFILL,&fll_md_old);

  /* Take output file out of define mode */
  if(hdr_pad == 0UL){
    (void)nco_enddef(out_id);
  }else{
    (void)nco__enddef(out_id,hdr_pad);
    if(nco_dbg_lvl >= nco_dbg_scl) (void)fprintf(stderr,"%s: INFO Padding header with %lu extra bytes\n",nco_prg_nm_get(),(unsigned long)hdr_pad);
  } /* hdr_pad */

  /* Assign zero to start and unity to stride vectors in output variables */
  (void)nco_var_srd_srt_set(var_out,xtr_nbr);

  /* Copy variable data for non-processed variables */
  (void)nco_cpy_fix_var_trv(in_id,out_id,gpe,trv_tbl);  

  /* Close first input netCDF file */
  nco_close(in_id);

  /* Loop over input files (not currently used, fl_nbr == 1) */
  for(fl_idx=0;fl_idx<fl_nbr;fl_idx++){

    /* Parse filename */
    if(fl_idx != 0) fl_in=nco_fl_nm_prs(fl_in,fl_idx,&fl_nbr,fl_lst_in,abb_arg_nbr,fl_lst_abb,fl_pth);
    if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"%s: INFO Input file %d is %s",nco_prg_nm_get(),fl_idx,fl_in);

    /* Make sure file is on local system and is readable or die trying */
    if(fl_idx != 0) fl_in=nco_fl_mk_lcl(fl_in,fl_pth_lcl,&FL_RTR_RMT_LCN);
    if(nco_dbg_lvl >= nco_dbg_fl && FL_RTR_RMT_LCN) (void)fprintf(stderr,", local file is %s",fl_in);
    if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"\n");

    /* Open file once per thread to improve caching */
    for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) rcd+=nco_fl_open(fl_in,md_open,&bfr_sz_hnt,in_id_arr+thr_idx);

    /* Timestamp end of metadata setup and disk layout */
    rcd+=nco_ddra((char *)NULL,(char *)NULL,&ddra_info);
    ddra_info.tmr_flg=nco_tmr_rgl;

#ifdef _OPENMP
#pragma omp parallel for default(none) private(idx,in_id) shared(aed_lst_add_fst,aed_lst_scl_fct,nco_dbg_lvl,dmn_rdr_nbr,gpe,in_id_arr,nbr_var_prc,nco_pck_map,nco_pck_plc,out_id,nco_prg_nm,rcd,var_prc,var_prc_out,nbr_dmn_fl,trv_tbl,IS_REORDER,fl_out_fmt)
#endif /* !_OPENMP */

    /* Process all variables in current file */
    for(idx=0;idx<nbr_var_prc;idx++){ 

      char *grp_out_fll=NULL; /* [sng] Group name */

      int grp_out_id;    /* [ID] Group ID (output) */
      int var_out_id;    /* [ID] Variable ID (output) */

      trv_sct *var_trv;  /* [sct] Variable GTT object */

      in_id=in_id_arr[omp_get_thread_num()];
      var_prc[idx]->nc_id=in_id; 

      if(nco_dbg_lvl >= nco_dbg_var) rcd+=nco_var_prc_crr_prn(idx,var_prc[idx]->nm);
      if(nco_dbg_lvl >= nco_dbg_var) (void)fflush(fp_stderr);

      /* Obtain variable GTT object using full variable name */
      var_trv=trv_tbl_var_nm_fll(var_prc[idx]->nm_fll,trv_tbl);

      /* Retrieve variable from disk into memory */
      (void)nco_msa_var_get_trv(in_id,var_prc[idx],trv_tbl);

      /* If re-ordering */
      if(IS_REORDER){
        if((var_prc_out[idx]->val.vp=(void *)nco_malloc_flg(var_prc_out[idx]->sz*nco_typ_lng(var_prc_out[idx]->type))) == NULL){
          (void)fprintf(fp_stdout,"%s: ERROR Unable to malloc() %ld*%lu bytes for value buffer for variable %s in main()\n",nco_prg_nm_get(),var_prc_out[idx]->sz,(unsigned long)nco_typ_lng(var_prc_out[idx]->type),var_prc_out[idx]->nm);
          nco_exit(EXIT_FAILURE); 
        } /* endif err */

        /* Change dimensionionality of values */
        (void)nco_var_dmn_rdr_val_trv(var_prc[idx],var_prc_out[idx],trv_tbl);

        /* Re-ordering required two value buffers, time to free() input buffer */
        var_prc[idx]->val.vp=nco_free(var_prc[idx]->val.vp);
      } /* IS_REORDER */

      /* Edit group name for output */
      if(gpe) grp_out_fll=nco_gpe_evl(gpe,var_trv->grp_nm_fll); else grp_out_fll=(char *)strdup(var_trv->grp_nm_fll);

      /* Obtain output group ID */
      (void)nco_inq_grp_full_ncid(out_id,grp_out_fll,&grp_out_id);

      /* Memory management after current extracted group */
      if(grp_out_fll) grp_out_fll=(char *)nco_free(grp_out_fll);

      /* Get variable ID */
      (void)nco_inq_varid(grp_out_id,var_trv->nm,&var_out_id);

      /* Store the output variable ID */
      var_prc_out[idx]->id=var_out_id;

      if(nco_pck_plc != nco_pck_plc_nil){
        /* Copy input variable buffer to processed variable buffer */
        /* fxm: this is dangerous and leads to double free()'ing variable buffer */
        var_prc_out[idx]->val=var_prc[idx]->val;
        /* (Un-)Pack variable according to packing specification */
        nco_pck_val(var_prc[idx],var_prc_out[idx],nco_pck_map,nco_pck_plc,aed_lst_add_fst+idx,aed_lst_scl_fct+idx);
      } /* endif nco_pck_plc != nco_pck_plc_nil */

      if(var_trv->ppc != NC_MAX_INT){
        if(var_trv->flg_nsd) (void)nco_ppc_bitmask(var_trv->ppc, var_prc_out[idx]->type, var_prc_out[idx]->sz, var_prc_out[idx]->has_mss_val, var_prc_out[idx]->mss_val, var_prc_out[idx]->val); else (void)nco_ppc_around(var_trv->ppc, var_prc_out[idx]->type, var_prc_out[idx]->sz, var_prc_out[idx]->has_mss_val, var_prc_out[idx]->mss_val, var_prc_out[idx]->val);
      } /* endif ppc */
      if(nco_is_xcp(var_trv->nm)) nco_xcp_prc(var_trv->nm,var_prc_out[idx]->type,var_prc_out[idx]->sz,(char *)var_prc_out[idx]->val.vp);

#ifdef _OPENMP
#pragma omp critical
#endif /* _OPENMP */
      { /* begin OpenMP critical */
        /* Copy variable to output file then free value buffer */
        if(var_prc_out[idx]->nbr_dim == 0){
          (void)nco_put_var1(grp_out_id,var_prc_out[idx]->id,var_prc_out[idx]->srt,var_prc_out[idx]->val.vp,var_prc_out[idx]->type);
        }else{ /* end if variable is scalar */
          (void)nco_put_vara(grp_out_id,var_prc_out[idx]->id,var_prc_out[idx]->srt,var_prc_out[idx]->cnt,var_prc_out[idx]->val.vp,var_prc_out[idx]->type);
        } /* end if variable is array */
      } /* end OpenMP critical */
      /* Free current output buffer */
      var_prc_out[idx]->val.vp=nco_free(var_prc_out[idx]->val.vp);

    } /* end (OpenMP parallel for) loop over idx */

    if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(fp_stderr,"\n");

    /* Write/overwrite packing attributes for newly packed and re-packed variables 
       Logic here should nearly mimic logic in nco_var_dfn() */
    if(nco_pck_plc != nco_pck_plc_nil && nco_pck_plc != nco_pck_plc_upk){
      /* ...put file in define mode to allow metadata writing... */
      (void)nco_redef(out_id);
      /* ...loop through all variables that may have been packed... */
      for(idx=0;idx<nbr_var_prc;idx++){

        char *grp_out_fll=NULL; /* [sng] Group name */

        int grp_out_id;    /* [ID] Group ID (output) */
        int var_out_id;    /* [ID] Variable ID (output) */

        trv_sct *var_trv;  /* [sct] Variable GTT object */

        /* Obtain variable GTT object using full variable name */
        var_trv=trv_tbl_var_nm_fll(var_prc[idx]->nm_fll,trv_tbl);

        /* Edit group name for output */
        if(gpe) grp_out_fll=nco_gpe_evl(gpe,var_trv->grp_nm_fll); else grp_out_fll=(char *)strdup(var_trv->grp_nm_fll);

        /* Obtain output group ID */
        (void)nco_inq_grp_full_ncid(out_id,grp_out_fll,&grp_out_id);

        /* Memory management after current extracted group */
        if(grp_out_fll) grp_out_fll=(char *)nco_free(grp_out_fll);

        /* Get variable ID */
        (void)nco_inq_varid(grp_out_id,var_trv->nm,&var_out_id);

        /* nco_var_dfn() pre-defined dummy packing attributes in output file only for "packable" input variables */
        if(nco_pck_plc_typ_get(nco_pck_map,var_prc[idx]->typ_upk,(nc_type *)NULL)){
          /* Verify input variable was newly packed by this operator
            Writing pre-existing (non-re-packed) attributes here would fail because
            nco_pck_dsk_inq() never fills in var->scl_fct.vp and var->add_fst.vp
            Logic is same as in nco_var_dfn() (except var_prc[] instead of var[])
            If operator newly packed this particular variable... */
          if(
            /* ...either because operator newly packs all variables... */
            (nco_pck_plc == nco_pck_plc_all_new_att) ||
            /* ...or because operator newly packs un-packed variables like this one... */
            (nco_pck_plc == nco_pck_plc_all_xst_att && !var_prc[idx]->pck_ram) ||
            /* ...or because operator re-packs packed variables like this one... */
            (nco_pck_plc == nco_pck_plc_xst_new_att && var_prc[idx]->pck_ram)
            ){
            /* Replace dummy packing attributes with final values, or delete them */
            if(nco_dbg_lvl >= nco_dbg_io) (void)fprintf(stderr,"%s: main() replacing dummy packing attribute values for variable %s\n",nco_prg_nm,var_prc[idx]->nm);
            (void)nco_aed_prc(grp_out_id,aed_lst_add_fst[idx].id,aed_lst_add_fst[idx]);
            (void)nco_aed_prc(grp_out_id,aed_lst_scl_fct[idx].id,aed_lst_scl_fct[idx]);
          } /* endif variable is newly packed by this operator */
        } /* !nco_pck_plc_alw */
      } /* end loop over var_prc */

      /* Take output file out of define mode */
      if(hdr_pad == 0UL) (void)nco_enddef(out_id); else (void)nco__enddef(out_id,hdr_pad);

    } /* nco_pck_plc == nco_pck_plc_nil || nco_pck_plc == nco_pck_plc_upk */

    /* Close input netCDF file */
    for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) nco_close(in_id_arr[thr_idx]);

    /* Remove local copy of file */
    if(FL_RTR_RMT_LCN && RM_RMT_FL_PST_PRC) (void)nco_fl_rm(fl_in);

  } /* end loop over fl_idx */

  /* Close output file and move it from temporary to permanent location */
  (void)nco_fl_out_cls(fl_out,fl_out_tmp,out_id);

  /* Clean memory unless dirty memory allowed */
  if(flg_cln){
    /* ncpdq-specific memory cleanup */
    if(dmn_rdr_nbr > 0){
      if(dmn_rdr_nbr_in > 0) dmn_rdr_lst_in=nco_sng_lst_free(dmn_rdr_lst_in,dmn_rdr_nbr_in);
      dmn_rvr_rdr=(nco_bool *)nco_free(dmn_rvr_rdr);
      /* Free dimension list pointers */
      for(idx_rdr=0; idx_rdr<dmn_rdr_nbr_trv; idx_rdr++){
        dmn_rdr_trv[idx_rdr]->nm=(char *)nco_free(dmn_rdr_trv[idx_rdr]->nm);
        dmn_rdr_trv[idx_rdr]->nm_fll=(char *)nco_free(dmn_rdr_trv[idx_rdr]->nm_fll);
        dmn_rdr_trv[idx_rdr]=(dmn_sct *)nco_free(dmn_rdr_trv[idx_rdr]);
      }
      dmn_rdr_trv=(dmn_sct **)nco_free(dmn_rdr_trv);
      /* Dimension structures in dmn_rdr are owned by dmn and dmn_out, free'd later */
    } /* endif dmn_rdr_nbr > 0 */
    if(nco_pck_plc != nco_pck_plc_nil){
      if(nco_pck_plc_sng) nco_pck_plc_sng=(char *)nco_free(nco_pck_plc_sng);
      if(nco_pck_map_sng) nco_pck_map_sng=(char *)nco_free(nco_pck_map_sng);
      if(nco_pck_plc != nco_pck_plc_upk){
        /* No need for loop over var_prc variables to free attribute values
         Variable structures and attribute edit lists share same attribute values
         Free them only once, and do it in nco_var_free() */
        aed_lst_add_fst=(aed_sct *)nco_free(aed_lst_add_fst);
        aed_lst_scl_fct=(aed_sct *)nco_free(aed_lst_scl_fct);
      } /* nco_pck_plc == nco_pck_plc_upk */
    } /* nco_pck_plc == nco_pck_plc_nil */
    /* NCO-generic clean-up */
    /* Free individual strings/arrays */
    if(cmd_ln) cmd_ln=(char *)nco_free(cmd_ln);
    if(cnk_map_sng) cnk_map_sng=(char *)nco_free(cnk_map_sng);
    if(cnk_plc_sng) cnk_plc_sng=(char *)nco_free(cnk_plc_sng);
    if(fl_in) fl_in=(char *)nco_free(fl_in);
    if(fl_out) fl_out=(char *)nco_free(fl_out);
    if(fl_out_tmp) fl_out_tmp=(char *)nco_free(fl_out_tmp);
    if(fl_pth) fl_pth=(char *)nco_free(fl_pth);
    if(fl_pth_lcl) fl_pth_lcl=(char *)nco_free(fl_pth_lcl);
    if(in_id_arr) in_id_arr=(int *)nco_free(in_id_arr);
    /* Free lists of strings */
    if(fl_lst_in && fl_lst_abb == NULL) fl_lst_in=nco_sng_lst_free(fl_lst_in,fl_nbr); 
    if(fl_lst_in && fl_lst_abb) fl_lst_in=nco_sng_lst_free(fl_lst_in,1);
    if(fl_lst_abb) fl_lst_abb=nco_sng_lst_free(fl_lst_abb,abb_arg_nbr);
    if(gaa_nbr > 0) gaa_arg=nco_sng_lst_free(gaa_arg,gaa_nbr);
    if(var_lst_in_nbr > 0) var_lst_in=nco_sng_lst_free(var_lst_in,var_lst_in_nbr);
    /* Free limits */
    for(idx=0;idx<aux_nbr;idx++) aux_arg[idx]=(char *)nco_free(aux_arg[idx]);
    for(idx=0;idx<lmt_nbr;idx++) lmt_arg[idx]=(char *)nco_free(lmt_arg[idx]);
    for(idx=0;idx<ppc_nbr;idx++) ppc_arg[idx]=(char *)nco_free(ppc_arg[idx]);
    /* Free chunking information */
    for(idx=0;idx<cnk_nbr;idx++) cnk_arg[idx]=(char *)nco_free(cnk_arg[idx]);
    if(cnk_nbr > 0) cnk.cnk_dmn=(cnk_dmn_sct **)nco_cnk_lst_free(cnk.cnk_dmn,cnk_nbr);
    if(xtr_nbr > 0) var=nco_var_lst_free(var,xtr_nbr);
    if(xtr_nbr > 0) var_out=nco_var_lst_free(var_out,xtr_nbr);
    var_prc=(var_sct **)nco_free(var_prc);
    var_prc_out=(var_sct **)nco_free(var_prc_out);
    var_fix=(var_sct **)nco_free(var_fix);
    var_fix_out=(var_sct **)nco_free(var_fix_out);
    trv_tbl_free(trv_tbl); 
    for(idx=0;idx<lmt_nbr;idx++) flg_dne[idx].dim_nm=(char *)nco_free(flg_dne[idx].dim_nm);
    if(flg_dne) flg_dne=(nco_dmn_dne_t *)nco_free(flg_dne);
    if(gpe) gpe=(gpe_sct *)nco_gpe_free(gpe);
  } /* !flg_cln */

#ifdef ENABLE_MPI
  MPI_Finalize();
#endif /* !ENABLE_MPI */
  
  /* End timer */ 
  ddra_info.tmr_flg=nco_tmr_end; /* [enm] Timer flag */
  rcd+=nco_ddra((char *)NULL,(char *)NULL,&ddra_info);
  if(rcd != NC_NOERR) nco_err_exit(rcd,"main");

  nco_exit_gracefully();
  return EXIT_SUCCESS;
} /* end main() */
示例#2
0
文件: ncecat.c 项目: jsta/nco
int 
main(int argc,char **argv)
{
  nco_bool CNV_CCM_CCSM_CF;
  nco_bool CPY_GLB_METADATA=True; /* Option M */
  nco_bool EXCLUDE_INPUT_LIST=False; /* Option c */
  nco_bool EXTRACT_ALL_COORDINATES=False; /* Option c */
  nco_bool EXTRACT_ASSOCIATED_COORDINATES=True; /* Option C */
  nco_bool FL_RTR_RMT_LCN;
  nco_bool FL_LST_IN_APPEND=True; /* Option H */
  nco_bool FL_LST_IN_FROM_STDIN=False; /* [flg] fl_lst_in comes from stdin */
  nco_bool FORCE_APPEND=False; /* Option A */
  nco_bool FORCE_OVERWRITE=False; /* Option O */
  nco_bool FORTRAN_IDX_CNV=False; /* Option F */
  nco_bool GROUP_AGGREGATE=False; /* Option G */
  nco_bool GRP_VAR_UNN=False; /* [flg] Select union of specified groups and variables */
  nco_bool HISTORY_APPEND=True; /* Option h */
  nco_bool HAVE_LIMITS=False; /* [flg] Are there user limits? (-d) */
  nco_bool MSA_USR_RDR=False; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
  nco_bool RAM_CREATE=False; /* [flg] Create file in RAM */
  nco_bool RAM_OPEN=False; /* [flg] Open (netCDF3-only) file(s) in RAM */
  nco_bool RM_RMT_FL_PST_PRC=True; /* Option R */
  nco_bool USE_MM3_WORKAROUND=False; /* [flg] Faster copy on Multi-record Multi-variable netCDF3 files */
  nco_bool WRT_TMP_FL=True; /* [flg] Write output to temporary file */
  nco_bool RECORD_AGGREGATE=True; /* Option G */
  nco_bool flg_cln=True; /* [flg] Clean memory prior to exit */

  char **fl_lst_abb=NULL; /* Option a */
  char **fl_lst_in;
  char **gaa_arg=NULL; /* [sng] Global attribute arguments */
  char **grp_lst_in=NULL;
  char **var_lst_in=NULL_CEWI;
  char *aux_arg[NC_MAX_DIMS];
  char *cmd_ln;
  char *cnk_arg[NC_MAX_DIMS];
  char *cnk_map_sng=NULL_CEWI; /* [sng] Chunking map */
  char *cnk_plc_sng=NULL_CEWI; /* [sng] Chunking policy */
  char *fl_in=NULL;
  char *fl_out=NULL; /* Option o */
  char *fl_out_tmp;
  char *fl_pth=NULL; /* Option p */
  char *fl_pth_lcl=NULL; /* Option l */
  char *gpe_arg=NULL; /* [sng] GPE argument */
  char *grp_out=NULL; /* [sng] Group name */
  char *lmt_arg[NC_MAX_DIMS];
  char *opt_crr=NULL; /* [sng] String representation of current long-option name */
  char *optarg_lcl=NULL; /* [sng] Local copy of system optarg */
  char *ppc_arg[NC_MAX_VARS]; /* [sng] PPC arguments */
  char *rec_dmn_nm=NULL; /* [sng] New record dimension name */
  char *sng_cnv_rcd=NULL_CEWI; /* [sng] strtol()/strtoul() return code */

  /* NCO_GRP_OUT_SFX_LNG is number of consecutive numeric digits automatically generated as group name suffixes */
#define	NCO_GRP_OUT_SFX_LNG 2
  char grp_out_sfx[NCO_GRP_OUT_SFX_LNG+1L];
  char trv_pth[]="/"; /* [sng] Root path of traversal tree */

  const char * const CVS_Id="$Id$"; 
  const char * const CVS_Revision="$Revision$";
  const char * const opt_sht_lst="3467ACcD:d:Fg:G:HhL:l:Mn:Oo:p:rRt:u:v:X:x-:";

  cnk_sct cnk; /* [sct] Chunking structure */

#if defined(__cplusplus) || defined(PGI_CC)
  ddra_info_sct ddra_info;
  ddra_info.flg_ddra=False;
#else /* !__cplusplus */
  ddra_info_sct ddra_info={.flg_ddra=False};
#endif /* !__cplusplus */

  extern char *optarg;
  extern int optind;

  /* Using naked stdin/stdout/stderr in parallel region generates warning
  Copy appropriate filehandle to variable scoped shared in parallel clause */
  FILE * const fp_stderr=stderr; /* [fl] stderr filehandle CEWI */
  FILE *fp_bnr=NULL; /* [fl] Unformatted binary output file handle */

  gpe_sct *gpe=NULL; /* [sng] Group Path Editing (GPE) structure */

  int *in_id_arr=NULL;

  int abb_arg_nbr=0;
  int aux_nbr=0; /* [nbr] Number of auxiliary coordinate hyperslabs specified */
  int cnk_map=nco_cnk_map_nil; /* [enm] Chunking map */
  int cnk_nbr=0; /* [nbr] Number of chunk sizes */
  int cnk_plc=nco_cnk_plc_nil; /* [enm] Chunking policy */
  int dfl_lvl=NCO_DFL_LVL_UNDEFINED; /* [enm] Deflate level */
  int fl_idx;
  int fl_nbr=0;
  int fl_in_fmt; /* [enm] Input file format */
  int fl_out_fmt=NCO_FORMAT_UNDEFINED; /* [enm] Output file format */
  int fll_md_old; /* [enm] Old fill mode */
  int gaa_nbr=0; /* [nbr] Number of global attributes to add */
  int gpe_id; /* [id] Group ID of GPE path (diagnostic only) */
  int grp_lst_in_nbr=0; /* [nbr] Number of groups explicitly specified by user */
  int idx;
  int in_id;  
  int lmt_nbr=0; /* Option d. NB: lmt_nbr gets incremented */
  int lmt_nbr_rgn=0; /* Option d. Original limit number for GTT initialization */
  int md_open; /* [enm] Mode flag for nc_open() call */
  int nbr_dmn_fl;
  int nbr_var_fix; /* nbr_var_fix gets incremented */
  int nbr_var_fl;
  int nbr_var_prc; /* nbr_var_prc gets incremented */
  int xtr_nbr=0; /* xtr_nbr won't otherwise be set for -c with no -v */
  int opt;
  int out_id;  
  int ppc_nbr=0; /* [nbr] Number of PPC arguments */
  int rcd=NC_NOERR; /* [rcd] Return code */
  int thr_idx; /* [idx] Index of current thread */
  int thr_nbr=int_CEWI; /* [nbr] Thread number Option t */
  int var_idx;
  int var_lst_in_nbr=0;

  long idx_rec_out=0L; /* idx_rec_out gets incremented */

  md5_sct *md5=NULL; /* [sct] MD5 configuration */

  size_t bfr_sz_hnt=NC_SIZEHINT_DEFAULT; /* [B] Buffer size hint */
  size_t cnk_min_byt=NCO_CNK_SZ_MIN_BYT_DFL; /* [B] Minimize size of variable to chunk */
  size_t cnk_sz_byt=0UL; /* [B] Chunk size in bytes */
  size_t cnk_sz_scl=0UL; /* [nbr] Chunk size scalar */
  size_t grp_out_lng; /* [nbr] Length of original, canonicalized GPE specification filename component */
  size_t hdr_pad=0UL; /* [B] Pad at end of header section */

  var_sct **var=NULL;
  var_sct **var_fix;
  var_sct **var_fix_out;
  var_sct **var_out=NULL;
  var_sct **var_prc;
  var_sct **var_prc_out;

  trv_tbl_sct *trv_tbl=NULL; /* [lst] Traversal table */

  nco_dmn_dne_t *flg_dne=NULL; /* [lst] Flag to check if input dimension -d "does not exist" */

#ifdef ENABLE_MPI
  /* Declare all MPI-specific variables here */
  MPI_Comm mpi_cmm=MPI_COMM_WORLD; /* [prc] Communicator */
  int prc_rnk; /* [idx] Process rank */
  int prc_nbr=0; /* [nbr] Number of MPI processes */
#endif /* !ENABLE_MPI */
  
  static struct option opt_lng[]={ /* Structure ordered by short option key if possible */
    /* Long options with no argument, no short option counterpart */
    {"cln",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"clean",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"mmr_cln",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"drt",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"dirty",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"mmr_drt",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"gag",no_argument,0,0}, /* [flg] Group aggregation */
    {"aggregate_group",no_argument,0,0}, /* [flg] Group aggregation */
    {"hdf4",no_argument,0,0}, /* [flg] Treat file as HDF4 */
    {"md5_dgs",no_argument,0,0}, /* [flg] Perform MD5 digests */
    {"md5_digest",no_argument,0,0}, /* [flg] Perform MD5 digests */
    {"mrd",no_argument,0,0}, /* [enm] Multiple Record Dimension convention */
    {"multiple_record_dimension",no_argument,0,0}, /* [enm] Multiple Record Dimension convention */
    {"msa_usr_rdr",no_argument,0,0}, /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
    {"msa_user_order",no_argument,0,0}, /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
    {"ram_all",no_argument,0,0}, /* [flg] Open (netCDF3) and create file(s) in RAM */
    {"create_ram",no_argument,0,0}, /* [flg] Create file in RAM */
    {"open_ram",no_argument,0,0}, /* [flg] Open (netCDF3) file(s) in RAM */
    {"diskless_all",no_argument,0,0}, /* [flg] Open (netCDF3) and create file(s) in RAM */
    {"wrt_tmp_fl",no_argument,0,0}, /* [flg] Write output to temporary file */
    {"write_tmp_fl",no_argument,0,0}, /* [flg] Write output to temporary file */
    {"no_tmp_fl",no_argument,0,0}, /* [flg] Do not write output to temporary file */
    {"intersection",no_argument,0,0}, /* [flg] Select intersection of specified groups and variables */
    {"nsx",no_argument,0,0}, /* [flg] Select intersection of specified groups and variables */
    {"union",no_argument,0,0}, /* [flg] Select union of specified groups and variables */
    {"unn",no_argument,0,0}, /* [flg] Select union of specified groups and variables */
    {"version",no_argument,0,0},
    {"vrs",no_argument,0,0},
    /* Long options with argument, no short option counterpart */
    {"bfr_sz_hnt",required_argument,0,0}, /* [B] Buffer size hint */
    {"buffer_size_hint",required_argument,0,0}, /* [B] Buffer size hint */
    {"cnk_byt",required_argument,0,0}, /* [B] Chunk size in bytes */
    {"chunk_byte",required_argument,0,0}, /* [B] Chunk size in bytes */
    {"cnk_dmn",required_argument,0,0}, /* [nbr] Chunk size */
    {"chunk_dimension",required_argument,0,0}, /* [nbr] Chunk size */
    {"cnk_map",required_argument,0,0}, /* [nbr] Chunking map */
    {"chunk_map",required_argument,0,0}, /* [nbr] Chunking map */
    {"cnk_min",required_argument,0,0}, /* [B] Minimize size of variable to chunk */
    {"chunk_min",required_argument,0,0}, /* [B] Minimize size of variable to chunk */
    {"cnk_plc",required_argument,0,0}, /* [nbr] Chunking policy */
    {"chunk_policy",required_argument,0,0}, /* [nbr] Chunking policy */
    {"cnk_scl",required_argument,0,0}, /* [nbr] Chunk size scalar */
    {"chunk_scalar",required_argument,0,0}, /* [nbr] Chunk size scalar */
    {"fl_fmt",required_argument,0,0},
    {"file_format",required_argument,0,0},
    {"gaa",required_argument,0,0}, /* [sng] Global attribute add */
    {"glb_att_add",required_argument,0,0}, /* [sng] Global attribute add */
    {"hdr_pad",required_argument,0,0},
    {"header_pad",required_argument,0,0},
    {"ppc",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
    {"precision_preserving_compression",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
    {"quantize",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
    /* Long options with short counterparts */
    {"3",no_argument,0,'3'},
    {"4",no_argument,0,'4'},
    {"64bit",no_argument,0,'4'},
    {"netcdf4",no_argument,0,'4'},
    {"append",no_argument,0,'A'},
    {"coords",no_argument,0,'c'},
    {"crd",no_argument,0,'c'},
    {"no-coords",no_argument,0,'C'},
    {"no-crd",no_argument,0,'C'},
    {"debug",required_argument,0,'D'},
    {"nco_dbg_lvl",required_argument,0,'D'},
    {"dimension",required_argument,0,'d'},
    {"dmn",required_argument,0,'d'},
    {"fortran",no_argument,0,'F'},
    {"ftn",no_argument,0,'F'},
    {"gpe",required_argument,0,'G'}, /* [sng] Group Path Edit (GPE) */
    {"group",required_argument,0,'g'},
    {"grp",required_argument,0,'g'},
    {"fl_lst_in",no_argument,0,'H'},
    {"file_list",no_argument,0,'H'},
    {"history",no_argument,0,'h'},
    {"hst",no_argument,0,'h'},
    {"dfl_lvl",required_argument,0,'L'}, /* [enm] Deflate level */
    {"deflate",required_argument,0,'L'}, /* [enm] Deflate level */
    {"local",required_argument,0,'l'},
    {"lcl",required_argument,0,'l'},
    {"no_glb_mtd",no_argument,0,'M'},
    {"suppress_global_metadata",no_argument,0,'M'},
    {"nintap",required_argument,0,'n'},
    {"overwrite",no_argument,0,'O'},
    {"ovr",no_argument,0,'O'},
    {"output",required_argument,0,'o'},
    {"fl_out",required_argument,0,'o'},
    {"path",required_argument,0,'p'},
    {"retain",no_argument,0,'R'},
    {"rtn",no_argument,0,'R'},
    {"revision",no_argument,0,'r'},
    {"thr_nbr",required_argument,0,'t'},
    {"threads",required_argument,0,'t'},
    {"omp_num_threads",required_argument,0,'t'},
    {"ulm_nm",required_argument,0,'u'},
    {"rcd_nm",required_argument,0,'u'},
    {"variable",required_argument,0,'v'},
    {"auxiliary",required_argument,0,'X'},
    {"exclude",no_argument,0,'x'},
    {"xcl",no_argument,0,'x'},
    {"help",no_argument,0,'?'},
    {"hlp",no_argument,0,'?'},
    {0,0,0,0}
  }; /* end opt_lng */
  int opt_idx=0; /* Index of current long option into opt_lng array */

  /* Start timer and save command line */ 
  ddra_info.tmr_flg=nco_tmr_srt;
  rcd+=nco_ddra((char *)NULL,(char *)NULL,&ddra_info);
  ddra_info.tmr_flg=nco_tmr_mtd;
  cmd_ln=nco_cmd_ln_sng(argc,argv);

  /* Get program name and set program enum (e.g., nco_prg_id=ncra) */
  nco_prg_nm=nco_prg_prs(argv[0],&nco_prg_id);

#ifdef ENABLE_MPI
  /* MPI Initialization */
  if(False) (void)fprintf(stdout,gettext("%s: WARNING Compiled with MPI\n"),nco_prg_nm);
  MPI_Init(&argc,&argv);
  MPI_Comm_size(mpi_cmm,&prc_nbr);
  MPI_Comm_rank(mpi_cmm,&prc_rnk);
#endif /* !ENABLE_MPI */
  
  /* Parse command line arguments */
  while(1){
    /* getopt_long_only() allows one dash to prefix long options */
    opt=getopt_long(argc,argv,opt_sht_lst,opt_lng,&opt_idx);
    /* NB: access to opt_crr is only valid when long_opt is detected */
    if(opt == EOF) break; /* Parse positional arguments once getopt_long() returns EOF */
    opt_crr=(char *)strdup(opt_lng[opt_idx].name);

    /* Process long options without short option counterparts */
    if(opt == 0){
      if(!strcmp(opt_crr,"bfr_sz_hnt") || !strcmp(opt_crr,"buffer_size_hint")){
        bfr_sz_hnt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_byt") || !strcmp(opt_crr,"chunk_byte")){
        cnk_sz_byt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk_byt */
      if(!strcmp(opt_crr,"cnk_min") || !strcmp(opt_crr,"chunk_min")){
        cnk_min_byt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk_min */
      if(!strcmp(opt_crr,"cnk_dmn") || !strcmp(opt_crr,"chunk_dimension")){
        /* Copy limit argument for later processing */
        cnk_arg[cnk_nbr]=(char *)strdup(optarg);
        cnk_nbr++;
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_scl") || !strcmp(opt_crr,"chunk_scalar")){
        cnk_sz_scl=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_map") || !strcmp(opt_crr,"chunk_map")){
        /* Chunking map */
        cnk_map_sng=(char *)strdup(optarg);
        cnk_map=nco_cnk_map_get(cnk_map_sng);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_plc") || !strcmp(opt_crr,"chunk_policy")){
        /* Chunking policy */
        cnk_plc_sng=(char *)strdup(optarg);
        cnk_plc=nco_cnk_plc_get(cnk_plc_sng);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cln") || !strcmp(opt_crr,"mmr_cln") || !strcmp(opt_crr,"clean")) flg_cln=True; /* [flg] Clean memory prior to exit */
      if(!strcmp(opt_crr,"drt") || !strcmp(opt_crr,"mmr_drt") || !strcmp(opt_crr,"dirty")) flg_cln=False; /* [flg] Clean memory prior to exit */
      if(!strcmp(opt_crr,"fl_fmt") || !strcmp(opt_crr,"file_format")) rcd=nco_create_mode_prs(optarg,&fl_out_fmt);
      if(!strcmp(opt_crr,"gaa") || !strcmp(opt_crr,"glb_att_add")){
        gaa_arg=(char **)nco_realloc(gaa_arg,(gaa_nbr+1)*sizeof(char *));
        gaa_arg[gaa_nbr++]=(char *)strdup(optarg);
      } /* endif gaa */
      if(!strcmp(opt_crr,"gag") || !strcmp(opt_crr,"aggregate_group")) GROUP_AGGREGATE=True; /* [flg] Aggregate files into groups not records */
      if(!strcmp(opt_crr,"hdf4")) nco_fmt_xtn=nco_fmt_xtn_hdf4; /* [enm] Treat file as HDF4 */
      if(!strcmp(opt_crr,"hdr_pad") || !strcmp(opt_crr,"header_pad")){
        hdr_pad=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif "hdr_pad" */
      if(!strcmp(opt_crr,"md5_dgs") || !strcmp(opt_crr,"md5_digest")){
        if(!md5) md5=nco_md5_ini();
	md5->dgs=True;
        if(nco_dbg_lvl >= nco_dbg_std) (void)fprintf(stderr,"%s: INFO Will perform MD5 digests of input and output hyperslabs\n",nco_prg_nm_get());
      } /* endif "md5_dgs" */
      if(!strcmp(opt_crr,"mrd") || !strcmp(opt_crr,"multiple_record_dimension")) nco_mrd_cnv=nco_mrd_allow; /* [enm] Multiple Record Dimension convention */
      if(!strcmp(opt_crr,"msa_usr_rdr") || !strcmp(opt_crr,"msa_user_order")) MSA_USR_RDR=True; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
      if(!strcmp(opt_crr,"ppc") || !strcmp(opt_crr,"precision_preserving_compression") || !strcmp(opt_crr,"quantize")){
        ppc_arg[ppc_nbr]=(char *)strdup(optarg);
        ppc_nbr++;
      } /* endif "ppc" */
      if(!strcmp(opt_crr,"ram_all") || !strcmp(opt_crr,"create_ram") || !strcmp(opt_crr,"diskless_all")) RAM_CREATE=True; /* [flg] Open (netCDF3) file(s) in RAM */
      if(!strcmp(opt_crr,"ram_all") || !strcmp(opt_crr,"open_ram") || !strcmp(opt_crr,"diskless_all")) RAM_OPEN=True; /* [flg] Create file in RAM */
      if(!strcmp(opt_crr,"unn") || !strcmp(opt_crr,"union")) GRP_VAR_UNN=True;
      if(!strcmp(opt_crr,"nsx") || !strcmp(opt_crr,"intersection")) GRP_VAR_UNN=False;
      if(!strcmp(opt_crr,"vrs") || !strcmp(opt_crr,"version")){
        (void)nco_vrs_prn(CVS_Id,CVS_Revision);
        nco_exit(EXIT_SUCCESS);
      } /* endif "vrs" */
      if(!strcmp(opt_crr,"wrt_tmp_fl") || !strcmp(opt_crr,"write_tmp_fl")) WRT_TMP_FL=True;
      if(!strcmp(opt_crr,"no_tmp_fl")) WRT_TMP_FL=False;
    } /* opt != 0 */
    /* Process short options */
    switch(opt){
    case 0: /* Long options have already been processed, return */
      break;
    case '3': /* Request netCDF3 output storage format */
      fl_out_fmt=NC_FORMAT_CLASSIC;
      break;
    case '4': /* Catch-all to prescribe output storage format */
      if(!strcmp(opt_crr,"64bit")) fl_out_fmt=NC_FORMAT_64BIT; else fl_out_fmt=NC_FORMAT_NETCDF4; 
      break;
    case '6': /* Request netCDF3 64-bit offset output storage format */
      fl_out_fmt=NC_FORMAT_64BIT;
      break;
    case '7': /* Request netCDF4-classic output storage format */
      fl_out_fmt=NC_FORMAT_NETCDF4_CLASSIC;
      break;
    case 'A': /* Toggle FORCE_APPEND */
      FORCE_APPEND=!FORCE_APPEND;
      break;
    case 'C': /* Extract all coordinates associated with extracted variables? */
      EXTRACT_ASSOCIATED_COORDINATES=False;
      break;
    case 'c':
      EXTRACT_ALL_COORDINATES=True;
      break;
    case 'D': /* Debugging level. Default is 0. */
      nco_dbg_lvl=(unsigned short int)strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      nc_set_log_level(nco_dbg_lvl);
      break;
    case 'd': /* Copy limit argument for later processing */
      lmt_arg[lmt_nbr]=(char *)strdup(optarg);
      lmt_nbr++;
      lmt_nbr_rgn=lmt_nbr;
      HAVE_LIMITS=True;
      break;
    case 'F': /* Toggle index convention. Default is 0-based arrays (C-style). */
      FORTRAN_IDX_CNV=!FORTRAN_IDX_CNV;
      break;
    case 'G': /* Apply Group Path Editing (GPE) to output group */
      /* NB: GNU getopt() optional argument syntax is ugly (requires "=" sign) so avoid it
      http://stackoverflow.com/questions/1052746/getopt-does-not-parse-optional-arguments-to-parameters */
      gpe=nco_gpe_prs_arg(optarg);
      grp_out=(char *)strdup(gpe->nm_cnn); /* [sng] Group name */
      grp_out_lng=gpe->lng_cnn;
      GROUP_AGGREGATE=True;
      break;
    case 'g': /* Copy group argument for later processing */
      /* Replace commas with hashes when within braces (convert back later) */
      optarg_lcl=(char *)strdup(optarg);
      (void)nco_rx_comma2hash(optarg_lcl);
      grp_lst_in=nco_lst_prs_2D(optarg_lcl,",",&grp_lst_in_nbr);
      optarg_lcl=(char *)nco_free(optarg_lcl);
      break;
    case 'H': /* Toggle writing input file list attribute */
      FL_LST_IN_APPEND=!FL_LST_IN_APPEND;
      break;
    case 'h': /* Toggle appending to history global attribute */
      HISTORY_APPEND=!HISTORY_APPEND;
      break;
    case 'L': /* [enm] Deflate level. Default is 0. */
      dfl_lvl=(int)strtol(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtol",sng_cnv_rcd);
      break;
    case 'l': /* Local path prefix for files retrieved from remote file system */
      fl_pth_lcl=(char *)strdup(optarg);
      break;
    case 'M': /* Toggle copying global metadata */
      CPY_GLB_METADATA=!CPY_GLB_METADATA;
      break;
    case 'n': /* NINTAP-style abbreviation of files to process */
      fl_lst_abb=nco_lst_prs_2D(optarg,",",&abb_arg_nbr);
      if(abb_arg_nbr < 1 || abb_arg_nbr > 6){
        (void)fprintf(stdout,"%s: ERROR Incorrect abbreviation for file list\n",nco_prg_nm);
        (void)nco_usg_prn();
        nco_exit(EXIT_FAILURE);
      } /* end if */
      break;
    case 'O': /* Toggle FORCE_OVERWRITE */
      FORCE_OVERWRITE=!FORCE_OVERWRITE;
      break;
    case 'o': /* Name of output file */
      fl_out=(char *)strdup(optarg);
      break;
    case 'p': /* Common file path */
      fl_pth=(char *)strdup(optarg);
      break;
    case 'R': /* Toggle removal of remotely-retrieved-files. Default is True. */
      RM_RMT_FL_PST_PRC=!RM_RMT_FL_PST_PRC;
      break;
    case 'r': /* Print CVS program information and copyright notice */
      (void)nco_vrs_prn(CVS_Id,CVS_Revision);
      (void)nco_lbr_vrs_prn();
      (void)nco_cpy_prn();
      (void)nco_cnf_prn();
      nco_exit(EXIT_SUCCESS);
      break;
    case 't': /* Thread number */
      thr_nbr=(int)strtol(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtol",sng_cnv_rcd);
      break;
    case 'u': /* New record dimension name */
      rec_dmn_nm=(char *)strdup(optarg);
      break;
    case 'v': /* Variables to extract/exclude */
      /* Replace commas with hashes when within braces (convert back later) */
      optarg_lcl=(char *)strdup(optarg);
      (void)nco_rx_comma2hash(optarg_lcl);
      var_lst_in=nco_lst_prs_2D(optarg_lcl,",",&var_lst_in_nbr);
      optarg_lcl=(char *)nco_free(optarg_lcl);
      xtr_nbr=var_lst_in_nbr;
      break;
    case 'X': /* Copy auxiliary coordinate argument for later processing */
      aux_arg[aux_nbr]=(char *)strdup(optarg);
      aux_nbr++;
      MSA_USR_RDR=True; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */      
      break;
    case 'x': /* Exclude rather than extract variables specified with -v */
      EXCLUDE_INPUT_LIST=True;
      break;
    case '?': /* Print proper usage */
      (void)nco_usg_prn();
      nco_exit(EXIT_SUCCESS);
      break;
    case '-': /* Long options are not allowed */
      (void)fprintf(stderr,"%s: ERROR Long options are not available in this build. Use single letter options instead.\n",nco_prg_nm_get());
      nco_exit(EXIT_FAILURE);
      break;
    default: /* Print proper usage */
      (void)fprintf(stdout,"%s ERROR in command-line syntax/options. Please reformulate command accordingly.\n",nco_prg_nm_get());
      (void)nco_usg_prn();
      nco_exit(EXIT_FAILURE);
      break;
    } /* end switch */
    if(opt_crr) opt_crr=(char *)nco_free(opt_crr);
  } /* end while loop */

  trv_tbl_init(&trv_tbl);

  if(GROUP_AGGREGATE){
    RECORD_AGGREGATE=!GROUP_AGGREGATE;
    fl_out_fmt=NC_FORMAT_NETCDF4; 
  } /* !GROUP_AGGREGATE */

  /* Process positional arguments and fill in filenames */
  fl_lst_in=nco_fl_lst_mk(argv,argc,optind,&fl_nbr,&fl_out,&FL_LST_IN_FROM_STDIN);

  /* Parse filename */
  fl_in=nco_fl_nm_prs(fl_in,0,&fl_nbr,fl_lst_in,abb_arg_nbr,fl_lst_abb,fl_pth);
  /* Make sure file is on local system and is readable or die trying */
  fl_in=nco_fl_mk_lcl(fl_in,fl_pth_lcl,&FL_RTR_RMT_LCN);

  if(RAM_OPEN) md_open=NC_NOWRITE|NC_DISKLESS; else md_open=NC_NOWRITE;

  /* Open file using appropriate buffer size hints and verbosity */
  rcd+=nco_fl_open(fl_in,md_open,&bfr_sz_hnt,&in_id);

  (void)nco_inq_format(in_id,&fl_in_fmt); 

  if(RECORD_AGGREGATE){

    /* Initialize thread information */
    thr_nbr=nco_openmp_ini(thr_nbr);
    in_id_arr=(int *)nco_malloc(thr_nbr*sizeof(int));

    /* Construct GTT, Group Traversal Table (groups,variables,dimensions, limits) */
    (void)nco_bld_trv_tbl(in_id,trv_pth,lmt_nbr,lmt_arg,aux_nbr,aux_arg,MSA_USR_RDR,FORTRAN_IDX_CNV,grp_lst_in,grp_lst_in_nbr,var_lst_in,xtr_nbr,EXTRACT_ALL_COORDINATES,GRP_VAR_UNN,False,EXCLUDE_INPUT_LIST,EXTRACT_ASSOCIATED_COORDINATES,nco_pck_plc_nil,&flg_dne,trv_tbl);

    /* Were all user-specified dimensions found? */ 
    (void)nco_chk_dmn(lmt_nbr,flg_dne);     

    /* Get number of variables, dimensions, and global attributes in file, file format */
    (void)trv_tbl_inq((int *)NULL,(int *)NULL,(int *)NULL,&nbr_dmn_fl,(int *)NULL,(int *)NULL,(int *)NULL,(int *)NULL,&nbr_var_fl,trv_tbl);

    /* Fill-in variable structure list for all extracted variables */
    var=nco_fll_var_trv(in_id,&xtr_nbr,trv_tbl);

    var_out=(var_sct **)nco_malloc(xtr_nbr*sizeof(var_sct *));
    for(var_idx=0;var_idx<xtr_nbr;var_idx++) var_out[var_idx]=nco_var_dpl(var[var_idx]);

    /* Is this a CCM/CCSM/CF-format history tape? */
    CNV_CCM_CCSM_CF=nco_cnv_ccm_ccsm_cf_inq(in_id);

    /* Divide variable lists into lists of fixed variables and variables to be processed */
    (void)nco_var_lst_dvd(var,var_out,xtr_nbr,CNV_CCM_CCSM_CF,True,nco_pck_plc_nil,nco_pck_map_nil,(dmn_sct **)NULL,0,&var_fix,&var_fix_out,&nbr_var_fix,&var_prc,&var_prc_out,&nbr_var_prc,trv_tbl);

    /* Store processed and fixed variables info into GTT */
    (void)nco_var_prc_fix_trv(nbr_var_prc,var_prc,nbr_var_fix,var_fix,trv_tbl);
  
  } /* !RECORD_AGGREGATE */

  /* Make output and input files consanguinous */
  if(fl_out_fmt == NCO_FORMAT_UNDEFINED) fl_out_fmt=fl_in_fmt;

  /* Initialize, decode, and set PPC information */
  if(ppc_nbr > 0) nco_ppc_ini(in_id,&dfl_lvl,fl_out_fmt,ppc_arg,ppc_nbr,trv_tbl);

  /* Verify output file format supports requested actions */
  (void)nco_fl_fmt_vet(fl_out_fmt,cnk_nbr,dfl_lvl);

  /* Open output file */
  fl_out_tmp=nco_fl_out_open(fl_out,FORCE_APPEND,FORCE_OVERWRITE,fl_out_fmt,&bfr_sz_hnt,RAM_CREATE,RAM_OPEN,WRT_TMP_FL,&out_id);

  /* Initialize chunking from user-specified inputs */
  if(fl_out_fmt == NC_FORMAT_NETCDF4 || fl_out_fmt == NC_FORMAT_NETCDF4_CLASSIC) rcd+=nco_cnk_ini(in_id,fl_out,cnk_arg,cnk_nbr,cnk_map,cnk_plc,cnk_min_byt,cnk_sz_byt,cnk_sz_scl,&cnk);

  /* ncecat-specific operations */
  if(RECORD_AGGREGATE){

    if(!rec_dmn_nm) rec_dmn_nm=(char *)strdup("record"); 

    /* Prepend record dimension to beginning of all vectors for processed variables */
    for(idx=0;idx<nbr_var_prc;idx++){
      var_prc_out[idx]->nbr_dim++;
      var_prc_out[idx]->is_rec_var=True;
      var_prc_out[idx]->sz_rec=var_prc_out[idx]->sz;

      /* Allocate space to hold dimension IDs */
      var_prc_out[idx]->dim=(dmn_sct **)nco_realloc(var_prc_out[idx]->dim,var_prc_out[idx]->nbr_dim*sizeof(dmn_sct *));
      var_prc_out[idx]->dmn_id=(int *)nco_realloc(var_prc_out[idx]->dmn_id,var_prc_out[idx]->nbr_dim*sizeof(int));
      var_prc_out[idx]->cnt=(long *)nco_realloc(var_prc_out[idx]->cnt,var_prc_out[idx]->nbr_dim*sizeof(long int));
      var_prc_out[idx]->end=(long *)nco_realloc(var_prc_out[idx]->end,var_prc_out[idx]->nbr_dim*sizeof(long int));
      var_prc_out[idx]->srd=(long *)nco_realloc(var_prc_out[idx]->srd,var_prc_out[idx]->nbr_dim*sizeof(long int));
      var_prc_out[idx]->srt=(long *)nco_realloc(var_prc_out[idx]->srt,var_prc_out[idx]->nbr_dim*sizeof(long int));

      /* Moves current array by one to make room for new record dimension info */
      (void)memmove((void *)(var_prc_out[idx]->dim+1),(void *)(var_prc_out[idx]->dim),(var_prc_out[idx]->nbr_dim-1)*sizeof(dmn_sct *));
      (void)memmove((void *)(var_prc_out[idx]->dmn_id+1),(void *)(var_prc_out[idx]->dmn_id),(var_prc_out[idx]->nbr_dim-1)*sizeof(int));
      (void)memmove((void *)(var_prc_out[idx]->cnt+1L),(void *)(var_prc_out[idx]->cnt),(var_prc_out[idx]->nbr_dim-1)*sizeof(long int));
      (void)memmove((void *)(var_prc_out[idx]->end+1L),(void *)(var_prc_out[idx]->end),(var_prc_out[idx]->nbr_dim-1)*sizeof(long int));
      (void)memmove((void *)(var_prc_out[idx]->srd+1L),(void *)(var_prc_out[idx]->srd),(var_prc_out[idx]->nbr_dim-1)*sizeof(long int));
      (void)memmove((void *)(var_prc_out[idx]->srt+1L),(void *)(var_prc_out[idx]->srt),(var_prc_out[idx]->nbr_dim-1)*sizeof(long int));

      /* Insert value for new record dimension */
      var_prc_out[idx]->cnt[0]=1L;
      var_prc_out[idx]->end[0]=-1L;
      var_prc_out[idx]->srd[0]=-1L;
      var_prc_out[idx]->srt[0]=-1L;
    } /* end loop over idx */

    /* Define dimensions, extracted groups, variables, and attributes in output file */
    (void)nco_xtr_dfn(in_id,out_id,&cnk,dfl_lvl,gpe,md5,!FORCE_APPEND,True,False,nco_pck_plc_nil,rec_dmn_nm,trv_tbl);

    /* Catenate time-stamped command line to "history" global attribute */
    if(HISTORY_APPEND) (void)nco_hst_att_cat(out_id,cmd_ln);
    if(HISTORY_APPEND && FORCE_APPEND) (void)nco_prv_att_cat(fl_in,in_id,out_id);
    if(gaa_nbr > 0) (void)nco_glb_att_add(out_id,gaa_arg,gaa_nbr);
    if(HISTORY_APPEND) (void)nco_vrs_att_cat(out_id);
    /* Add input file list global attribute */
    if(FL_LST_IN_APPEND && HISTORY_APPEND && FL_LST_IN_FROM_STDIN) (void)nco_fl_lst_att_cat(out_id,fl_lst_in,fl_nbr);
    if(thr_nbr > 0 && HISTORY_APPEND) (void)nco_thr_att_cat(out_id,thr_nbr);

    /* Turn-off default filling behavior to enhance efficiency */
    nco_set_fill(out_id,NC_NOFILL,&fll_md_old);

    /* Take output file out of define mode */
    if(hdr_pad == 0UL){
      (void)nco_enddef(out_id);
    }else{
      (void)nco__enddef(out_id,hdr_pad);
      if(nco_dbg_lvl >= nco_dbg_scl) (void)fprintf(stderr,"%s: INFO Padding header with %lu extra bytes\n",nco_prg_nm_get(),(unsigned long)hdr_pad);
    } /* hdr_pad */

    /* Assign zero to start and unity to stride vectors in output variables */
    (void)nco_var_srd_srt_set(var_out,xtr_nbr);

    /* Copy variable data for non-processed variables */
    (void)nco_cpy_fix_var_trv(in_id,out_id,gpe,trv_tbl);  

    /* Close first input netCDF file */
    (void)nco_close(in_id);

    /* Timestamp end of metadata setup and disk layout */
    rcd+=nco_ddra((char *)NULL,(char *)NULL,&ddra_info);
    ddra_info.tmr_flg=nco_tmr_rgl;
  } /* !RECORD_AGGREGATE */

  if(GROUP_AGGREGATE){
#ifndef ENABLE_NETCDF4
    (void)fprintf(stderr,"%s: ERROR GAG requires netCDF4 capabilities. HINT: Rebuild NCO with netCDF4 enabled.\n",nco_prg_nm_get());
    nco_exit(EXIT_FAILURE);
#endif /* ENABLE_NETCDF4 */
    if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"%s: INFO Group Aggregation (GAG) feature enabled\n",nco_prg_nm_get());
    if(fl_out_fmt != NC_FORMAT_NETCDF4){
      (void)fprintf(stderr,"%s: ERROR Group Aggregation requires netCDF4 output format but user explicitly requested format = %s\n",nco_prg_nm_get(),nco_fmt_sng(fl_out_fmt));
      nco_exit(EXIT_FAILURE);
    } /* endif err */
  } /* !GROUP_AGGREGATE */

  /* Loop over input files */
  for(fl_idx=0;fl_idx<fl_nbr;fl_idx++){
    /* Parse filename */
    if(fl_idx) fl_in=nco_fl_nm_prs(fl_in,fl_idx,(int *)NULL,fl_lst_in,abb_arg_nbr,fl_lst_abb,fl_pth);
    if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"%s: INFO Input file %d is %s",nco_prg_nm_get(),fl_idx,fl_in);
    /* Make sure file is on local system and is readable or die trying */
    if(fl_idx) fl_in=nco_fl_mk_lcl(fl_in,fl_pth_lcl,&FL_RTR_RMT_LCN);
    if(nco_dbg_lvl >= nco_dbg_fl && FL_RTR_RMT_LCN) (void)fprintf(stderr,", local file is %s",fl_in);
    if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"\n");

    if(GROUP_AGGREGATE){
      size_t gpe_arg_lng; /* [nbr] Length of group specification */
      if(grp_out){
        /* Append enumerated counter to end of user-specified root group path */
        sprintf(grp_out_sfx,"%02d",fl_idx);
        gpe_arg_lng=grp_out_lng+NCO_GRP_OUT_SFX_LNG+gpe->lng_edt;
        gpe_arg=(char *)nco_malloc((gpe_arg_lng+1L)*sizeof(char));
        (void)strcpy(gpe_arg,grp_out);
        (void)strcat(gpe_arg,grp_out_sfx);
        if(gpe->edt) (void)strcat(gpe_arg,gpe->edt);
      }else{
        /* Use filename stub as group name */
        char *stb_srt_psn; /* [sng] Starting position of "stub", i.e., last component of filename */
        size_t fl_in_lng; /* [nbr] Length of filename */
        size_t sfx_fst; /* [nbr] Offset of suffix from start of string */
        size_t sfx_lng; /* [nbr] Suffix has this many characters */

        /* Is there a .nc, .cdf, .nc3, or .nc4 suffix? or an .hdf, .HDF, .h5, .H5, or .he5 suffix? */
        fl_in_lng=strlen(fl_in);
        sfx_lng=3L;
        sfx_fst=fl_in_lng-sfx_lng;
        /* Sample data found in, e.g., ftp://ftp.unidata.ucar.edu/pub/netcdf/sample_data and http://hdfeos.org/zoo
	   Two versions of HDF-EOS exist: HDF-EOS2 for HDF4, and HDF-EOS5 for HDF5 */
        if(strncmp(fl_in+sfx_fst,".nc",sfx_lng) && /* netCDF standard suffix */
	   strncmp(fl_in+sfx_fst,".H5",sfx_lng) && /* HDF5 suffix used by ICESat GLAS, e.g., GLAH05_633_2103_001_1107_3_01_0001.H5 */
	   strncmp(fl_in+sfx_fst,".h5",sfx_lng)){ /* HDF5 suffix used by BUV, ICESat GLAS, MABEL, MEaSUREs Ozone, SBUV, e.g., BUV-Nimbus04_L3zm_v01-00-2012m0203t144121.h5, GLAH13_633_2103_001_1317_0_01_0001.h5, mabel_l2_20130927t201800_008_1.h5, MSO3L3zm5_v01-02-2013m0907t142428.h5 */
	  sfx_lng=4L;
	  sfx_fst=fl_in_lng-sfx_lng;
	  if(strncmp(fl_in+sfx_fst,".cdf",sfx_lng) && /* netCDF old-fashioned suffix */
	     strncmp(fl_in+sfx_fst,".hdf",sfx_lng) && /* HDF-EOS2 (HDF4) suffix used by AIRS, AMSR-E, MODIS, MOPPITT, SeaWiFS, e.g., AIRS.2002.08.01.L3.RetStd_H031.v4.0.21.0.G06104133732.hdf, MSR_E_L2_Rain_V10_200905312326_A.hdf, MOD10CM.A2007001.005.2007108111758.hdf, MOP01-20121231-L1V3.34.10.hdf, S1999001.L3m_DAY_CDOM_cdom_index_9km.hdf */
	     strncmp(fl_in+sfx_fst,".HDF",sfx_lng) && /* HDF-EOS2 (HDF4) suffix used by TRMM, e.g., 3B43.070901.6A.HDF */
	     strncmp(fl_in+sfx_fst,".he5",sfx_lng) && /* HDF-EOS5 (HDF5) suffix used by HIRDLS, OMI Aerosols, e.g., HIRDLS-Aura_L3ZAD_v06-00-00-c02_2005d022-2008d077.he5, OMI-Aura_L2-OMAERUV_2013m1004t2338-o49057_v003-2013m1005t053932.he5 */
	     strncmp(fl_in+sfx_fst,".nc3",sfx_lng) && /* netCDF3 variant suffix */
	     strncmp(fl_in+sfx_fst,".nc4",sfx_lng)){ /* netCDF4 variant suffix */
	    (void)fprintf(stderr,"%s: WARNING GAG filename suffix is unusual---using whole filename as group name\n",nco_prg_nm_get());
	    sfx_lng=0;
	  } /* endif */
        } /* endif */

        stb_srt_psn=strrchr(fl_in,'/');
        if(!stb_srt_psn) stb_srt_psn=fl_in; else stb_srt_psn++;
        gpe_arg_lng=strlen(stb_srt_psn)-sfx_lng;
        gpe_arg=(char *)nco_malloc((gpe_arg_lng+1L)*sizeof(char));
        gpe_arg=strncpy(gpe_arg,stb_srt_psn,strlen(stb_srt_psn)-sfx_lng);
        gpe_arg[gpe_arg_lng]='\0';

        /* GPE arguments derived from filenames check for existence of path in output file */
        rcd=nco_inq_grp_full_ncid_flg(out_id,gpe_arg,&gpe_id);
        /* Existence implies current file may overwrite contents of previous file */
        if(rcd == NC_NOERR) (void)fprintf(stderr,"%s: WARNING GAG path \"%s\" automatically derived from stub of filename %s conflicts with existing path in output file. Any input data with same absolute path names as contents of a previous input file will be overwritten. Is the same input file specified multiple times? Is this intentional?\nHINT: To distribute copies of a single input file into different groups, use GPE to generate distinct output group names, e.g., %s -G copy in.nc in.nc out.nc\n",nco_prg_nm_get(),gpe_arg,fl_in,nco_prg_nm_get()); else rcd=NC_NOERR;
      } /* !grp_out */
      /* Free old structure, if any, before re-use */
      if(gpe) gpe=(gpe_sct *)nco_gpe_free(gpe);
      gpe=nco_gpe_prs_arg(gpe_arg);
      gpe_arg=(char *)nco_free(gpe_arg);
      if(nco_dbg_lvl >= nco_dbg_scl) (void)fprintf(stderr,"%s: INFO GAG current file has gpe->arg=%s\n",nco_prg_nm_get(),gpe->arg);

      /* Open file using appropriate buffer size hints and verbosity */
      if(fl_idx) rcd=nco_fl_open(fl_in,md_open,&bfr_sz_hnt,&in_id);

      if(fl_idx == 0){
        /* fxm: Copy global attributes of first file to root of output file to preserve history attribute */
        /* Copy global attributes */
        if(CPY_GLB_METADATA) (void)nco_att_cpy(in_id,out_id,NC_GLOBAL,NC_GLOBAL,(nco_bool)True);

        /* Catenate time-stamped command line to "history" global attribute */
        if(HISTORY_APPEND) (void)nco_hst_att_cat(out_id,cmd_ln);
    if(gaa_nbr > 0) (void)nco_glb_att_add(out_id,gaa_arg,gaa_nbr);
  if(HISTORY_APPEND) (void)nco_vrs_att_cat(out_id);

        /* Add input file list global attribute */
        if(FL_LST_IN_APPEND && HISTORY_APPEND && FL_LST_IN_FROM_STDIN) (void)nco_fl_lst_att_cat(out_id,fl_lst_in,fl_nbr);
      } /* endif first file */

      trv_tbl_sct *trv_tbl_gpr=NULL; /* [lst] Traversal table for GROUP_AGGREGATE only */

      /* Initialize traversal table */
      trv_tbl_init(&trv_tbl_gpr);

      /* Construct GTT, Group Traversal Table (groups,variables,dimensions, limits) */
      (void)nco_bld_trv_tbl(in_id,trv_pth,lmt_nbr_rgn,lmt_arg,aux_nbr,aux_arg,MSA_USR_RDR,FORTRAN_IDX_CNV,grp_lst_in,grp_lst_in_nbr,var_lst_in,xtr_nbr,EXTRACT_ALL_COORDINATES,GRP_VAR_UNN,False,EXCLUDE_INPUT_LIST,EXTRACT_ASSOCIATED_COORDINATES,nco_pck_plc_nil,&flg_dne,trv_tbl_gpr);

      /* Get number of variables, dimensions, and global attributes in file, file format */
      (void)trv_tbl_inq((int *)NULL,(int *)NULL,(int *)NULL,&nbr_dmn_fl,(int *)NULL,(int *)NULL,(int *)NULL,(int *)NULL,&nbr_var_fl,trv_tbl_gpr);
      (void)nco_inq_format(in_id,&fl_in_fmt);

      /* We now have final list of variables to extract. Phew. */

      /* Define extracted groups, variables, and attributes in output file */
      (void)nco_xtr_dfn(in_id,out_id,&cnk,dfl_lvl,gpe,md5,CPY_GLB_METADATA,(nco_bool)True,(nco_bool)False,nco_pck_plc_nil,rec_dmn_nm,trv_tbl_gpr);

      /* Turn-off default filling behavior to enhance efficiency */
      nco_set_fill(out_id,NC_NOFILL,&fll_md_old);

      /* Write extracted data to output file */
      (void)nco_xtr_wrt(in_id,out_id,gpe,fp_bnr,md5,HAVE_LIMITS,trv_tbl_gpr);

      /* Close input netCDF file */
      (void)nco_close(in_id);

      /* Free traversal table */
      trv_tbl_free(trv_tbl_gpr);

    } /* !GROUP_AGGREGATE */

    if(RECORD_AGGREGATE){

      /* Open file once per thread to improve caching */
      for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) rcd=nco_fl_open(fl_in,md_open,&bfr_sz_hnt,in_id_arr+thr_idx);

      /* Perform various error-checks on input file */
      if(False) (void)nco_fl_cmp_err_chk();

      /* 20120309 Special case to improve copy speed on large blocksize filesystems (MM3s) */
      USE_MM3_WORKAROUND=nco_use_mm3_workaround(in_id_arr[0],fl_out_fmt);
      if(lmt_nbr > 0) USE_MM3_WORKAROUND=False; 
      if(!USE_MM3_WORKAROUND){  
        /* Copy all data variable-by-variable */
        ;
      }else{
        /* MM3 workaround algorithm */
        /* ncecat-specific MM3 characteristics:
        Only coordinates are "fixed" (non-processed) variables
        All other variables are "processed" 
        These variables may be fixed or
        record on input yet are all record on output 
        Makes sense to always use MM3? */
        ;
      } /* endif MM3 workaround */

      /* OpenMP with threading over variables, not files */
#ifdef _OPENMP
# pragma omp parallel for default(none) private(in_id) shared(nco_dbg_lvl,fl_nbr,idx_rec_out,in_id_arr,nbr_var_prc,out_id,var_prc,var_prc_out,nbr_dmn_fl,md5,trv_tbl)
#endif /* !_OPENMP */
      /* Process all variables in current file */
      for(idx=0;idx<nbr_var_prc;idx++){
	int grp_id; /* [ID] Group ID (input) */
        int grp_out_id; /* [ID] Group ID (output) */
        int var_out_id; /* [ID] Variable ID (output) */
        trv_sct *var_trv; /* [sct] Variable GTT object */

        in_id=in_id_arr[omp_get_thread_num()];
        if(nco_dbg_lvl >= nco_dbg_var) (void)fprintf(fp_stderr,"%s, ",var_prc[idx]->nm);
        if(nco_dbg_lvl >= nco_dbg_var) (void)fflush(fp_stderr);

        /* Obtain variable GTT object using full variable name */
        var_trv=trv_tbl_var_nm_fll(var_prc[idx]->nm_fll,trv_tbl);
	/* Variables may have different ID, missing_value, type, in each file */
	(void)nco_inq_grp_full_ncid(in_id,var_trv->grp_nm_fll,&grp_id);
	(void)nco_var_mtd_refresh(grp_id,var_prc[idx]);

        /* Read */
        (void)nco_msa_var_get_trv(in_id,var_prc[idx],trv_tbl);

        /* Size of record dimension is 1 in output file */
        var_prc_out[idx]->cnt[0]=1L;
        var_prc_out[idx]->srt[0]=idx_rec_out;

        /* Write variable into current record in output file */

        /* Obtain output group ID */
        (void)nco_inq_grp_full_ncid(out_id,var_trv->grp_nm_fll,&grp_out_id);

        /* Get variable ID */
        (void)nco_inq_varid(grp_out_id,var_trv->nm,&var_out_id);

        /* Store the output variable ID */
        var_prc_out[idx]->id=var_out_id;

	if(var_trv->ppc != NC_MAX_INT){
	  if(var_trv->flg_nsd) (void)nco_ppc_bitmask(var_trv->ppc,var_prc[idx]->type,var_prc[idx]->sz,var_prc[idx]->has_mss_val,var_prc[idx]->mss_val,var_prc[idx]->val); else (void)nco_ppc_around(var_trv->ppc,var_prc[idx]->type,var_prc[idx]->sz,var_prc[idx]->has_mss_val,var_prc[idx]->mss_val,var_prc[idx]->val);
	} /* endif ppc */
	if(nco_is_xcp(var_trv->nm)) nco_xcp_prc(var_trv->nm,var_prc[idx]->type,var_prc[idx]->sz,(char *)var_prc[idx]->val.vp);
 
#ifdef _OPENMP
# pragma omp critical
#endif /* _OPENMP */
        { /* begin OpenMP critical */
          if(var_prc[idx]->nbr_dim == 0){
            (void)nco_put_var1(grp_out_id,var_prc_out[idx]->id,var_prc_out[idx]->srt,var_prc[idx]->val.vp,var_prc[idx]->type);
          }else{ /* end if variable is scalar */
            (void)nco_put_vara(grp_out_id,var_prc_out[idx]->id,var_prc_out[idx]->srt,var_prc_out[idx]->cnt,var_prc[idx]->val.vp,var_prc[idx]->type);
          } /* end if variable is array */
          /* Perform MD5 digest of input and output data if requested */
          if(md5) (void)nco_md5_chk(md5,var_prc_out[idx]->nm,var_prc_out[idx]->sz*nco_typ_lng(var_prc[idx]->type),out_id,var_prc_out[idx]->srt,var_prc_out[idx]->cnt,var_prc[idx]->val.vp);
          /* Free current input buffer */
          var_prc[idx]->val.vp=nco_free(var_prc[idx]->val.vp);
        } /* end OpenMP critical */

      } /* end (OpenMP parallel for) loop over idx */
      if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"\n");

      idx_rec_out++; /* [idx] Index of current record in output file (0 is first, ...) */

      /* Close input netCDF file */
      for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) nco_close(in_id_arr[thr_idx]);

    } /* !RECORD_AGGREGATE */

    /* Remove local copy of file */
    if(FL_RTR_RMT_LCN && RM_RMT_FL_PST_PRC) (void)nco_fl_rm(fl_in);

  } /* end loop over fl_idx */

  /* Close output file and move it from temporary to permanent location */
  (void)nco_fl_out_cls(fl_out,fl_out_tmp,out_id);

  /* Clean memory unless dirty memory allowed */
  if(flg_cln){

    /* NCO-generic clean-up */
    /* Free individual strings/arrays */
    if(cmd_ln) cmd_ln=(char *)nco_free(cmd_ln);
    if(cnk_map_sng) cnk_map_sng=(char *)nco_free(cnk_map_sng);
    if(cnk_plc_sng) cnk_plc_sng=(char *)nco_free(cnk_plc_sng);
    if(grp_out) grp_out=(char *)nco_free(grp_out);
    if(fl_in) fl_in=(char *)nco_free(fl_in);
    if(fl_out) fl_out=(char *)nco_free(fl_out);
    if(fl_out_tmp) fl_out_tmp=(char *)nco_free(fl_out_tmp);
    if(fl_pth) fl_pth=(char *)nco_free(fl_pth);
    if(fl_pth_lcl) fl_pth_lcl=(char *)nco_free(fl_pth_lcl);
    if(in_id_arr) in_id_arr=(int *)nco_free(in_id_arr);
    /* Free lists of strings */
    if(fl_lst_in && !fl_lst_abb) fl_lst_in=nco_sng_lst_free(fl_lst_in,fl_nbr); 
    if(fl_lst_in && fl_lst_abb) fl_lst_in=nco_sng_lst_free(fl_lst_in,1);
    if(fl_lst_abb) fl_lst_abb=nco_sng_lst_free(fl_lst_abb,abb_arg_nbr);
    if(gaa_nbr > 0) gaa_arg=nco_sng_lst_free(gaa_arg,gaa_nbr);
    if(var_lst_in_nbr > 0) var_lst_in=nco_sng_lst_free(var_lst_in,var_lst_in_nbr);
    /* Free limits */
    for(idx=0;idx<aux_nbr;idx++) aux_arg[idx]=(char *)nco_free(aux_arg[idx]);
    for(idx=0;idx<lmt_nbr;idx++) lmt_arg[idx]=(char *)nco_free(lmt_arg[idx]);
    for(idx=0;idx<ppc_nbr;idx++) ppc_arg[idx]=(char *)nco_free(ppc_arg[idx]);
    /* Free chunking information */
    for(idx=0;idx<cnk_nbr;idx++) cnk_arg[idx]=(char *)nco_free(cnk_arg[idx]);
    if(cnk_nbr > 0) cnk.cnk_dmn=(cnk_dmn_sct **)nco_cnk_lst_free(cnk.cnk_dmn,cnk_nbr);
    if(RECORD_AGGREGATE){
      /* Free dimension lists */
      /* ncecat-specific memory cleanup */
      if(rec_dmn_nm) rec_dmn_nm=(char *)nco_free(rec_dmn_nm);
      /* Free variable lists */
      if(xtr_nbr > 0) var=nco_var_lst_free(var,xtr_nbr);
      if(xtr_nbr > 0) var_out=nco_var_lst_free(var_out,xtr_nbr);
      var_prc=(var_sct **)nco_free(var_prc);
      var_prc_out=(var_sct **)nco_free(var_prc_out);
      var_fix=(var_sct **)nco_free(var_fix);
      var_fix_out=(var_sct **)nco_free(var_fix_out);
      if(gpe) gpe=(gpe_sct *)nco_gpe_free(gpe);
      if(md5) md5=(md5_sct *)nco_md5_free(md5);
      /* Free traversal table */
      trv_tbl_free(trv_tbl);
      for(idx=0;idx<lmt_nbr;idx++) flg_dne[idx].dim_nm=(char *)nco_free(flg_dne[idx].dim_nm);
      if(flg_dne) flg_dne=(nco_dmn_dne_t *)nco_free(flg_dne);
    } /* RECORD_AGGREGATE */
  } /* !flg_cln */

#ifdef ENABLE_MPI
  MPI_Finalize();
#endif /* !ENABLE_MPI */
  
  /* End timer */ 
  ddra_info.tmr_flg=nco_tmr_end; /* [enm] Timer flag */
  rcd+=nco_ddra((char *)NULL,(char *)NULL,&ddra_info);
  if(rcd != NC_NOERR) nco_err_exit(rcd,"main");

  nco_exit_gracefully();
  return EXIT_SUCCESS;
} /* end main() */
示例#3
0
void
nco_aed_prc /* [fnc] Process single attribute edit for single variable */
(const int nc_id, /* I [id] Input netCDF file ID */
 const int var_id, /* I [id] ID of variable on which to perform attribute editing */
 const aed_sct aed) /* I [sct] Structure containing information necessary to edit */
{
  /* Purpose: Process single attribute edit for single variable */
  
  /* If var_id == NC_GLOBAL ( = -1) then global attribute will be edited */

#ifdef NCO_NETCDF4_AND_FILLVALUE
  char att_nm_tmp[]="eulaVlliF_"; /* String of same length as "_FillValue" for name hack with netCDF4 */
  nco_bool flg_netCDF4=False; /* [flg] File format is netCDF4 */
#endif /* !NCO_NETCDF4_AND_FILLVALUE */

  char att_nm[NC_MAX_NAME];
  char var_nm[NC_MAX_NAME];
  
  /* NB: netCDF2 specifies att_sz is type int, netCDF3 and netCDF4 use size_t */
  int nbr_att; /* [nbr] Number of attributes */
  int rcd=NC_NOERR; /* [rcd] Return code */
  long att_sz;
     
  nc_type att_typ;
  
  void *att_val_new=NULL;

  if(var_id == NC_GLOBAL){
    /* Get number of global attributes in file */
    (void)nco_inq(nc_id,(int *)NULL,(int *)NULL,&nbr_att,(int *)NULL);
    (void)strcpy(var_nm,"Global");
  }else{
    /* Get name and number of attributes for variable */
    (void)nco_inq_var(nc_id,var_id,var_nm,(nc_type *)NULL,(int *)NULL,(int *)NULL,&nbr_att);
  } /* end else */

  /* Query attribute metadata when attribute name was specified */
  if(aed.att_nm) rcd=nco_inq_att_flg(nc_id,var_id,aed.att_nm,&att_typ,&att_sz);

  /* Before changing metadata, change missing values to new missing value if warranted 
     This capability is add-on feature not implemented too cleanly or efficiently
     If every variable has "_FillValue" attribute and "_FillValue" is changed
     globally, then algorithm goes into and out of define mode for each variable,
     rather than collecting all information in first pass and replacing all data in second pass.
     This is because ncatted was originally designed to change only metadata and so was
     architected differently from other NCO operators. */
  if(
     aed.att_nm /* Linux strcmp() dumps core if attribute name is blank */
     && strcmp(aed.att_nm,nco_mss_val_sng_get()) == 0 /* Current attribute is "_FillValue" */
     && var_id != NC_GLOBAL /* Current attribute is not global */
     && (aed.mode == aed_modify || aed.mode == aed_overwrite)  /* Modifying or overwriting existing value */
     && rcd == NC_NOERR /* Only when existing _FillValue attribute is modified */
     && att_sz == 1L /* Old _FillValue attribute must be of size 1 */
     && aed.sz == 1L /* New _FillValue attribute must be of size 1 */
     ){

    int *dmn_id;
    long *dmn_sz;
    long *dmn_srt;
    long idx;
    long var_sz=long_CEWI;
    ptr_unn mss_val_crr;
    ptr_unn mss_val_new;
    ptr_unn var_val;
    var_sct *var=NULL_CEWI;

    if(dbg_lvl_get() >= nco_dbg_std) (void)fprintf(stdout,"%s: INFO Replacing missing value data in variable %s\n",prg_nm_get(),var_nm);

    /* Take file out of define mode */
    (void)nco_enddef(nc_id);
  
    /* Initialize (partially) variable structure */
    var=(var_sct *)nco_malloc(sizeof(var_sct));
    var->nc_id=nc_id;
    var->id=var_id;
    var->sz=1L;

    /* Get type of variable and number of dimensions */
    (void)nco_inq_var(nc_id,var_id,(char *)NULL,&var->type,&var->nbr_dim,(int *)NULL,(int *)NULL);
    dmn_id=(int *)nco_malloc(var->nbr_dim*sizeof(int));
    dmn_sz=(long *)nco_malloc(var->nbr_dim*sizeof(long));
    dmn_srt=(long *)nco_malloc(var->nbr_dim*sizeof(long));
    (void)nco_inq_vardimid(nc_id,var_id,dmn_id);

    /* Get dimension sizes and construct variable size */
    for(idx=0;idx<var->nbr_dim;idx++){
      (void)nco_inq_dimlen(nc_id,dmn_id[idx],dmn_sz+idx);
      var->sz*=dmn_sz[idx];
      dmn_srt[idx]=0L;
    } /* end loop over dim */
    var->dmn_id=dmn_id;
    var->cnt=dmn_sz;
    var->srt=dmn_srt;
      
    /* Place nco_var_get() code inline since var struct is not truly complete */
    if((var->val.vp=(void *)nco_malloc_flg(var->sz*nco_typ_lng(var->type))) == NULL){
      (void)fprintf(stdout,"%s: ERROR Unable to malloc() %ld*%lu bytes in nco_aed_prc()\n",prg_nm_get(),var->sz,(unsigned long)nco_typ_lng(var->type));
      nco_exit(EXIT_FAILURE); 
    } /* end if */
    if(var->sz > 1L){
      (void)nco_get_vara(nc_id,var_id,var->srt,var->cnt,var->val.vp,var->type);
    }else{
      (void)nco_get_var1(nc_id,var_id,var->srt,var->val.vp,var->type);
    } /* end else */
    
    /* Get current missing value attribute */
    var->mss_val.vp=NULL;
    var->has_mss_val=nco_mss_val_get(nc_id,var);

    /* Sanity check */
    if(var->has_mss_val == False){
      (void)fprintf(stdout,"%s: ERROR variable %s does not have \"%s\" attribute in nco_aed_prc()\n",prg_nm_get(),var_nm,nco_mss_val_sng_get());
      nco_exit(EXIT_FAILURE);
    } /* end if */

    /* Shortcuts to avoid indirection */
    var_val=var->val;
    var_sz=var->sz;

    /* Get new and old missing values in same type as variable */
    mss_val_crr.vp=(void *)nco_malloc(att_sz*nco_typ_lng(var->type));
    mss_val_new.vp=(void *)nco_malloc(aed.sz*nco_typ_lng(var->type));

    (void)nco_val_cnf_typ(var->type,var->mss_val,var->type,mss_val_crr); 
    (void)nco_val_cnf_typ(aed.type,aed.val,var->type,mss_val_new);

    /* Typecast pointer to values before access */
    (void)cast_void_nctype(var->type,&var_val);
    (void)cast_void_nctype(var->type,&mss_val_crr);
    (void)cast_void_nctype(var->type,&mss_val_new);
  
    switch(var->type){
    case NC_FLOAT: for(idx=0L;idx<var_sz;idx++) {if(var_val.fp[idx] == *mss_val_crr.fp) var_val.fp[idx]=*mss_val_new.fp;} break;
    case NC_DOUBLE: for(idx=0L;idx<var_sz;idx++) {if(var_val.dp[idx] == *mss_val_crr.dp) var_val.dp[idx]=*mss_val_new.dp;} break;
    case NC_INT: for(idx=0L;idx<var_sz;idx++) {if(var_val.ip[idx] == *mss_val_crr.ip) var_val.ip[idx]=*mss_val_new.ip;} break;
    case NC_SHORT: for(idx=0L;idx<var_sz;idx++) {if(var_val.sp[idx] == *mss_val_crr.sp) var_val.sp[idx]=*mss_val_new.sp;} break;
    case NC_CHAR: for(idx=0L;idx<var_sz;idx++) {if(var_val.cp[idx] == *mss_val_crr.cp) var_val.cp[idx]=*mss_val_new.cp;} break;
    case NC_BYTE: for(idx=0L;idx<var_sz;idx++) {if(var_val.bp[idx] == *mss_val_crr.bp) var_val.bp[idx]=*mss_val_new.bp;} break;
    case NC_UBYTE: for(idx=0L;idx<var_sz;idx++) {if(var_val.ubp[idx] == *mss_val_crr.ubp) var_val.ubp[idx]=*mss_val_new.ubp;} break;
    case NC_USHORT: for(idx=0L;idx<var_sz;idx++) {if(var_val.usp[idx] == *mss_val_crr.usp) var_val.usp[idx]=*mss_val_new.usp;} break;
    case NC_UINT: for(idx=0L;idx<var_sz;idx++) {if(var_val.uip[idx] == *mss_val_crr.uip) var_val.uip[idx]=*mss_val_new.uip;} break;
    case NC_INT64: for(idx=0L;idx<var_sz;idx++) {if(var_val.i64p[idx] == *mss_val_crr.i64p) var_val.i64p[idx]=*mss_val_new.i64p;} break;
    case NC_UINT64: for(idx=0L;idx<var_sz;idx++) {if(var_val.ui64p[idx] == *mss_val_crr.ui64p) var_val.ui64p[idx]=*mss_val_new.ui64p;} break;
    case NC_STRING: for(idx=0L;idx<var_sz;idx++) {if(var_val.sngp[idx] == *mss_val_crr.sngp) var_val.sngp[idx]=*mss_val_new.sngp;} break;
    default: nco_dfl_case_nc_type_err(); break;
    } /* end switch */

    /* Un-typecast the pointer to values after access */
    (void)cast_nctype_void(var->type,&var_val);
    (void)cast_nctype_void(var->type,&mss_val_crr);
    (void)cast_nctype_void(var->type,&mss_val_new);

    /* Write to disk */
    if(var->nbr_dim == 0){
      (void)nco_put_var1(nc_id,var_id,var->srt,var->val.vp,var->type);
    }else{ /* end if variable is scalar */
      (void)nco_put_vara(nc_id,var_id,var->srt,var->cnt,var->val.vp,var->type);
    } /* end else */

    /* Free memory */
    mss_val_crr.vp=nco_free(mss_val_crr.vp);
    mss_val_new.vp=nco_free(mss_val_new.vp);
    var->mss_val.vp=nco_free(var->mss_val.vp);
    var->val.vp=nco_free(var->val.vp);
    var->dmn_id=(int *)nco_free(var->dmn_id);
    var->srt=(long *)nco_free(var->srt);
    var->cnt=(long *)nco_free(var->cnt);
    /* 20050704 try and use nco_free() to avoid valgrind error message */
    var=(var_sct *)nco_free(var);

    /* Put file back in define mode */
    (void)nco_redef(nc_id);
  } /* end if replacing missing value data */

  /* Change metadata (as written, this must be done after _FillValue data is replaced) */

#ifdef NCO_NETCDF4_AND_FILLVALUE
  /* Bold hack which gets around problem of modifying netCDF4 "_FillValue" attributes
     netCDF4 does not allow this by default, though netCDF3 does
     Change attribute name to att_nm_tmp, modify value, then restore name */

  /* Check if file is netCDF3 classic with netCDF4 library
     If so, do not kludge. NB: create global variable for output file format? */
  { /* scope for fl_fmt temporary */
    int fl_fmt; 
    (void)nco_inq_format(nc_id,&fl_fmt);
    flg_netCDF4=(fl_fmt==NC_FORMAT_NETCDF4 || fl_fmt==NC_FORMAT_NETCDF4_CLASSIC);
  } /* end scope */

  if(flg_netCDF4 && !strcmp(aed.att_nm,nco_mss_val_sng_get()) && aed.mode != aed_delete){
    if(aed.mode != aed_create) (void)nco_rename_att(nc_id,var_id,aed.att_nm,att_nm_tmp);
    strcpy(aed.att_nm,att_nm_tmp); 
  } /* endif libnetCDF may have netCDF4 restrictions */
#endif /* !NCO_NETCDF4_AND_FILLVALUE */

  switch(aed.mode){
  case aed_append:	
    if(rcd == NC_NOERR){
      /* Append to existing attribute value */
      if(aed.type != att_typ){
	(void)fprintf(stdout,"%s: ERROR %s attribute %s is of type %s not %s, unable to append\n",prg_nm_get(),var_nm,aed.att_nm,nco_typ_sng(att_typ),nco_typ_sng(aed.type));
	nco_exit(EXIT_FAILURE);
      } /* end if */
      att_val_new=(void *)nco_malloc((att_sz+aed.sz)*nco_typ_lng(aed.type));
      (void)nco_get_att(nc_id,var_id,aed.att_nm,(void *)att_val_new,aed.type);
      /* NB: Following assumes sizeof(char) = 1 byte */
      (void)memcpy((void *)((char *)att_val_new+att_sz*nco_typ_lng(aed.type)),
		   (void *)aed.val.vp,
		   aed.sz*nco_typ_lng(aed.type));
      (void)nco_put_att(nc_id,var_id,aed.att_nm,aed.type,att_sz+aed.sz,att_val_new);
      att_val_new=nco_free(att_val_new);
    }else{
      /* Create new attribute */
      (void)nco_put_att(nc_id,var_id,aed.att_nm,aed.type,aed.sz,aed.val.vp);
    } /* end else */
    break;
  case aed_create:	
    if(rcd != NC_NOERR) (void)nco_put_att(nc_id,var_id,aed.att_nm,aed.type,aed.sz,aed.val.vp);  
    break;
  case aed_delete:	
    /* Delete specified attribute if attribute name was specified... */
    if(aed.att_nm){
      /* ...and if attribute is known to exist from previous inquire call... */
      if(rcd == NC_NOERR) (void)nco_del_att(nc_id,var_id,aed.att_nm);
    }else{
      /* ...else delete all attributes for this variable... */
      while(nbr_att){
	(void)nco_inq_attname(nc_id,var_id,nbr_att-1,att_nm);
	(void)nco_del_att(nc_id,var_id,att_nm);
	nbr_att--;
      } /* end while */
    } /* end else */
    break;
  case aed_modify:	
    if(rcd == NC_NOERR) (void)nco_put_att(nc_id,var_id,aed.att_nm,aed.type,aed.sz,aed.val.vp);
    break;
  case aed_overwrite:	
    (void)nco_put_att(nc_id,var_id,aed.att_nm,aed.type,aed.sz,aed.val.vp);  
    break;
  default: 
    break;
  } /* end switch */

#ifdef NCO_NETCDF4_AND_FILLVALUE
    if(flg_netCDF4 && !strcmp(aed.att_nm,att_nm_tmp) && aed.mode != aed_delete){
      (void)nco_rename_att(nc_id,var_id,att_nm_tmp,nco_mss_val_sng_get());
      /* Restore original name (space already allocated) */
      strcpy(aed.att_nm,nco_mss_val_sng_get()); 
    } /* !flg_netCDF4 */
#endif /* !NCO_NETCDF4_AND_FILLVALUE */

} /* end nco_aed_prc() */
示例#4
0
文件: nco_cnk.c 项目: netbit-au/nckt
void
nco_cnk_sz_set /* [fnc] Set chunksize parameters */
(const int nc_id, /* I [id] netCDF file ID */
 CST_X_PTR_CST_PTR_CST_Y(lmt_all_sct,lmt_all_lst), /* I [sct] Hyperslab limits */
 const int lmt_all_lst_nbr, /* I [nbr] Number of hyperslab limits */
 int * const cnk_map_ptr, /* I/O [enm] Chunking map */
 int * const cnk_plc_ptr, /* I/O [enm] Chunking policy */
 const size_t cnk_sz_scl, /* I [nbr] Chunk size scalar */
 CST_X_PTR_CST_PTR_CST_Y(cnk_sct,cnk), /* I [sct] Chunking information */
 const int cnk_nbr) /* I [nbr] Number of dimensions with user-specified chunking */
{
  /* Purpose: Use chunking map and policy to determine chunksize list */
  const char fnc_nm[]="nco_cnk_sz_set()"; /* [sng] Function name */

  char dmn_nm[NC_MAX_NAME];
  char var_nm[NC_MAX_NAME];

  int *dmn_id;

  int cnk_idx;
  int dmn_idx;
  int cnk_map; /* [enm] Chunking map */
  int cnk_plc; /* [enm] Chunking policy */
  int chk_typ; /* [enm] Checksum type */
  int deflate; /* [enm] Deflate filter is on */
  int dmn_nbr; /* [nbr] Number of dimensions in variable */
  int fl_fmt; /* [enm] Input file format */
  int lmt_idx;
  int lmt_idx_rec=int_CEWI;
  int nbr_dmn_fl; /* [nbr] Number of dimensions in file */
  int rcd_dmn_id;
  int srg_typ; /* [enm] Storage type */
  int var_idx;
  int var_nbr;

  long dmn_sz;

  nco_bool flg_cnk=False; /* [flg] Chunking requested */
  nco_bool is_rec_var; /* [flg] Record variable */
  nco_bool is_chk_var; /* [flg] Checksummed variable */
  nco_bool is_cmp_var; /* [flg] Compressed variable */
  nco_bool is_chunked; /* [flg] Chunked variable */
  nco_bool must_be_chunked; /* [flg] Variable must be chunked */

  nc_type var_typ_dsk;
  
  size_t *cnk_sz; /* [nbr] Chunksize list */
  size_t cnk_sz_dfl; /* [nbr] Chunksize default */

  /* Did user explicitly request chunking? */
  if(cnk_nbr > 0 || cnk_sz_scl > 0UL || *cnk_map_ptr != nco_cnk_map_nil || *cnk_plc_ptr != nco_cnk_plc_nil) flg_cnk=True;

  if(!flg_cnk) return;

  /* Set actual chunk policy and map to defaults as necessary
     This rather arcane procedure saves a few lines of code in calling program
     (because defaults not set there) while maintaining correctness of arguments */
  if(*cnk_map_ptr == nco_cnk_map_nil) *cnk_map_ptr=nco_cnk_map_get((char *)NULL);
  if(*cnk_plc_ptr == nco_cnk_plc_nil) *cnk_plc_ptr=nco_cnk_plc_get((char *)NULL);
  cnk_map=*cnk_map_ptr;
  cnk_plc=*cnk_plc_ptr;

  /* Bail on unsupported options */
  if(cnk_plc == nco_cnk_plc_xpl){
    (void)fprintf(stderr,"%s: ERROR cnk_plc = %s not yet supported\n",prg_nm_get(),nco_cnk_plc_sng_get(cnk_plc));
    nco_exit(EXIT_FAILURE);
  } /* endif */

  /* Does output file support chunking? */
  (void)nco_inq_format(nc_id,&fl_fmt);
  if(fl_fmt != NC_FORMAT_NETCDF4 && fl_fmt != NC_FORMAT_NETCDF4_CLASSIC){
    (void)fprintf(stderr,"%s: WARNING Output file format is %s so chunking request will be ignored\n",prg_nm_get(),nco_fmt_sng(fl_fmt));
    return;
  } /* endif dbg */

  /* Vet input */
  if(cnk_map == nco_cnk_map_scl && cnk_sz_scl <= 0){
    (void)fprintf(stderr,"%s: ERROR cnk_sz_scl = %lu must be greater than 0\n",prg_nm_get(),(unsigned long)cnk_sz_scl);
    nco_exit(EXIT_FAILURE);
  } /* endif cnk_sz_scl */

  if(dbg_lvl_get() >= nco_dbg_fl) (void)fprintf(stderr,"%s: INFO Requested chunking or unchunking\n",prg_nm_get());
  if(dbg_lvl_get() >= nco_dbg_scl){
    (void)fprintf(stderr,"cnk_plc: %s\n",nco_cnk_plc_sng_get(cnk_plc));
    (void)fprintf(stderr,"cnk_map: %s\n",nco_cnk_map_sng_get(cnk_map));
    (void)fprintf(stderr,"cnk_sz_scl: %lu\n",(unsigned long)cnk_sz_scl);
    if(cnk_nbr > 0){
      (void)fprintf(stderr,"idx dmn_nm\tcnk_sz:\n");
      for(cnk_idx=0;cnk_idx<cnk_nbr;cnk_idx++) (void)fprintf(stderr,"%2d %s\t%lu\n",cnk_idx,cnk[cnk_idx]->nm,(unsigned long)cnk[cnk_idx]->sz);
    } /* cnk_nbr == 0 */
  } /* endif dbg */

  /* Get record dimension ID */
  (void)nco_inq(nc_id,&nbr_dmn_fl,&var_nbr,(int *)NULL,&rcd_dmn_id);
  
  /* Find record dimension, if any, in limit structure list first
     This information may be needed below */
  if(rcd_dmn_id != NCO_REC_DMN_UNDEFINED){
    (void)nco_inq_dimname(nc_id,rcd_dmn_id,dmn_nm);
    for(lmt_idx=0;lmt_idx<lmt_all_lst_nbr;lmt_idx++){
      if(!strcmp(dmn_nm,lmt_all_lst[lmt_idx]->dmn_nm)){
	lmt_idx_rec=lmt_idx;
	break;
      } /* end if */
    } /* end loop over limit */
  } /* NCO_REC_DMN_UNDEFINED */

  /* NB: Assumes variable IDs range from [0..var_nbr-1] */
  for(var_idx=0;var_idx<var_nbr;var_idx++){

    /* Initialize storage type for this variable */
    srg_typ=NC_CONTIGUOUS; /* [enm] Storage type */
    cnk_sz=(size_t *)NULL; /* [nbr] Chunksize list */
    is_rec_var=False; /* [flg] Record variable */
    is_chk_var=False; /* [flg] Checksummed variable */
    is_cmp_var=False; /* [flg] Compressed variable */
    is_chunked=False; /* [flg] Chunked variable */

    /* Get type and number of dimensions for variable */
    (void)nco_inq_var(nc_id,var_idx,var_nm,&var_typ_dsk,&dmn_nbr,(int *)NULL,(int *)NULL);
    
    if(dmn_nbr == 0) continue; /* Skip chunking calls for scalars */

    /* Allocate space to hold dimension IDs */
    dmn_id=(int *)nco_malloc(dmn_nbr*sizeof(int));
    /* Get dimension IDs */
    (void)nco_inq_vardimid(nc_id,var_idx,dmn_id);
    
    /* Is this a record variable? */
    if(rcd_dmn_id != NCO_REC_DMN_UNDEFINED){
      for(dmn_idx=0;dmn_idx<dmn_nbr;dmn_idx++){
	/* Is this the record dimension? */
	if(dmn_id[dmn_idx] == rcd_dmn_id) break; /* ...then search no further */
      } /* end loop over dmn */
      if(dmn_idx < dmn_nbr) is_rec_var=True; /* [flg] Record variable */
    } /* NCO_REC_DMN_UNDEFINED */

    /* Is variable compressed? */
    (void)nco_inq_var_deflate(nc_id,var_idx,NULL,&deflate,NULL);
    if(deflate) is_cmp_var=True; 
    
    /* Is variable checksummed? */
    (void)nco_inq_var_fletcher32(nc_id,var_idx,&chk_typ);
    if(chk_typ != NC_NOCHECKSUM) is_chk_var=True;

    /* Must variable be chunked? */
    if(is_rec_var || is_chk_var || is_cmp_var) must_be_chunked=True; else must_be_chunked=False;

    /* Is variable currently chunked? */
    is_chunked=nco_cnk_dsk_inq(nc_id,var_idx);

    /* Explicitly turn off chunking for arrays that are... */
    if((cnk_plc == nco_cnk_plc_g2d && dmn_nbr < 2) || /* ...much too small... */
       (cnk_plc == nco_cnk_plc_g3d && dmn_nbr < 3) || /* ...too small... */
       (cnk_plc == nco_cnk_plc_uck) || /* ...intentionally unchunked... */
       False){
      /* If variable is chunked */
      if(is_chunked){
	if(must_be_chunked){
	  if(dbg_lvl_get() >= nco_dbg_var) (void)fprintf(stderr,"%s: INFO %s %s must be chunked (record, compressed, or checksummed variable)\n",prg_nm_get(),fnc_nm,var_nm);
	}else{
	  /* Turn off chunking for this variable */
	  if(dbg_lvl_get() >= nco_dbg_var) (void)fprintf(stderr,"%s: INFO %s unchunking %s\n",prg_nm_get(),fnc_nm,var_nm);
	  (void)nco_def_var_chunking(nc_id,var_idx,srg_typ,cnk_sz);
	} /* !must_be_chunked */
      }else{ /* !chunked */
	if(dbg_lvl_get() >= nco_dbg_var) (void)fprintf(stderr,"%s: INFO %s not unchunking %s because it is not chunked\n",prg_nm_get(),fnc_nm,var_nm);
      } /* !chunked */
      /* Free space holding dimension IDs before skipping to next variable */
      dmn_id=(int *)nco_free(dmn_id);
      /* Skip to next variable in loop */
      continue;
    } /* end if */

    /* Variable will definitely be chunked */
    srg_typ=NC_CHUNKED; /* [enm] Storage type */
    if(dbg_lvl_get() >= nco_dbg_var) (void)fprintf(stderr,"%s: INFO %s %schunking %s\n",prg_nm_get(),fnc_nm,(is_chunked ? "re-" : "" ),var_nm);

    /* Allocate space to hold chunksizes */
    cnk_sz=(size_t *)nco_malloc(dmn_nbr*sizeof(size_t));
    
    /* Default "equal" chunksize for each dimension */
    cnk_sz_dfl=cnk_sz_scl;
    if(cnk_map == nco_cnk_map_prd){
      double cnk_sz_prd_dbl; /* [nbr] Chunksize product, double precision */
      double cnk_sz_eql_dbl; /* [nbr] Chunksize equal, double precision */
      double cnk_sz_dfl_dbl; /* [nbr] Chunksize default, double precision */
      cnk_sz_prd_dbl=cnk_sz_scl;
      cnk_sz_eql_dbl=pow(cnk_sz_prd_dbl,1.0/dmn_nbr);
      cnk_sz_dfl_dbl=ceil(cnk_sz_eql_dbl);
      cnk_sz_dfl=(size_t)cnk_sz_dfl_dbl;
    } /* endif map_prd */

    for(dmn_idx=0;dmn_idx<dmn_nbr;dmn_idx++){

      /* Get dimension name and size */
      (void)nco_inq_dim(nc_id,dmn_id[dmn_idx],dmn_nm,&dmn_sz);
      
      /* Is this the record dimension? */
      if(dmn_id[dmn_idx] == rcd_dmn_id){
	/* Does policy specify record dimension treatment? */
	if(cnk_map == nco_cnk_map_rd1){
	  cnk_sz[dmn_idx]=1UL;
	  /* This may still be over-ridden by explicitly specified chunksize */
	  goto cnk_xpl_override;
	} /* !nco_cnk_map_rd1 */
	/* Record dimension size in output file is zero until first write
	   Obtain record dimension size from lmt_all structure */
	if(lmt_all_lst[lmt_idx_rec]->BASIC_DMN){
	  /* When not hyperslabbed, use input record dimension size ... */
	  cnk_sz[dmn_idx]=lmt_all_lst[lmt_idx_rec]->dmn_sz_org;
	}else{ /* !BASIC_DMN */
	  /* ... and when hyperslabbed, use user-specified count */
	  cnk_sz[dmn_idx]=lmt_all_lst[lmt_idx_rec]->dmn_cnt;
	} /* !BASIC_DMN */
      }else{ /* !record dimension */
	/* Set non-record dimensions to default, possibly over-ride later */
	cnk_sz[dmn_idx]=dmn_sz;
	if(dmn_sz == 0L){
	  (void)fprintf(stderr,"%s: ERROR %s reports variable %s has dim_sz == 0L for non-record dimension %s. This should not occur and it will cause chunking to fail...\n",prg_nm_get(),fnc_nm,var_nm,dmn_nm);
	} /* endif err */
      } /* !record dimension */

      /* Propagate scalar chunksize, if specified */
      if(cnk_sz_dfl > 0UL){
	if(dmn_id[dmn_idx] == rcd_dmn_id){
	if(lmt_all_lst[lmt_idx_rec]->BASIC_DMN){
	  /* When not hyperslabbed, use input record dimension size ... */
	  cnk_sz[dmn_idx]=(cnk_sz_dfl <= (size_t)lmt_all_lst[lmt_idx_rec]->dmn_sz_org) ? cnk_sz_dfl : (size_t)lmt_all_lst[lmt_idx_rec]->dmn_sz_org;
	}else{ /* !BASIC_DMN */
	  /* ... and when hyperslabbed, use user-specified count */
	  cnk_sz[dmn_idx]=(cnk_sz_dfl <= (size_t)lmt_all_lst[lmt_idx_rec]->dmn_cnt) ? cnk_sz_dfl : (size_t)lmt_all_lst[lmt_idx_rec]->dmn_cnt;
	} /* !BASIC_DMN */
	}else{ /* !rcd_dmn_id */
	  /* Non-record sizes default to cnk_sz_dfl or to dimension size */
	  cnk_sz[dmn_idx]=(cnk_sz_dfl <= (size_t)dmn_sz) ? cnk_sz_dfl : (size_t)dmn_sz;
	} /* !rcd_dmn_id */
      } /* !cnk_sz_dfl */

      cnk_xpl_override: /* end goto */

      /* Explicit chunk specifications override all else */
      for(cnk_idx=0;cnk_idx<cnk_nbr;cnk_idx++){
	/* Match on name not ID */
	if(!strcmp(cnk[cnk_idx]->nm,dmn_nm)){
	  cnk_sz[dmn_idx]=cnk[cnk_idx]->sz;
	  if(dmn_id[dmn_idx] == rcd_dmn_id){
	    if(lmt_all_lst[lmt_idx_rec]->BASIC_DMN){
	      if(cnk_sz[dmn_idx] > (size_t)lmt_all_lst[lmt_idx_rec]->dmn_sz_org){
		(void)fprintf(stderr,"%s: WARNING %s allowing user-specified record dimension chunksize = %lu for %s to exceed record dimension size in input file = %lu. May fail if output file is not concatenated from multiple inputs.\n",prg_nm_get(),fnc_nm,(unsigned long)cnk[cnk_idx]->sz,dmn_nm,lmt_all_lst[lmt_idx_rec]->dmn_sz_org);
	      } /* endif too big */
	    }else{ /* !BASIC_DMN */
	      if(cnk_sz[dmn_idx] > (size_t)lmt_all_lst[lmt_idx_rec]->dmn_cnt){
		(void)fprintf(stderr,"%s: WARNING %s allowing user-specified record dimension chunksize = %lu for %s to exceed user-specified record dimension hyperslab size in input file = %lu. May fail if output file is not concatenated from multiple inputs.\n",prg_nm_get(),fnc_nm,(unsigned long)cnk[cnk_idx]->sz,dmn_nm,lmt_all_lst[lmt_idx_rec]->dmn_cnt);
	      } /* endif too big */
	    } /* !BASIC_DMN */
	  }else{ /* !rcd_dmn_id */
	    if(cnk_sz[dmn_idx] > (size_t)dmn_sz){
	      /* dmn_sz of record dimension may (will) be zero in output file
		 Non-record dimensions, though, must have cnk_sz <= dmn_sz */
	      (void)fprintf(stderr,"%s: WARNING %s trimming user-specified chunksize = %lu to %s size = %lu\n",prg_nm_get(),fnc_nm,(unsigned long)cnk[cnk_idx]->sz,dmn_nm,dmn_sz);
	      /* Trim else out-of-bounds sizes will fail in HDF library in nc_enddef() */
	      cnk_sz[dmn_idx]=(size_t)dmn_sz;
	    } /* endif */
	  } /* !rcd_dmn_id */
	  break;
	} /* cnk_nm != dmn_nm */
      } /* end loop over cnk */

    } /* end loop over dmn */
    
    if(dbg_lvl_get() >= nco_dbg_scl){
      (void)fprintf(stderr,"idx nm\tdmn_sz\tcnk_sz for %s:\n",var_nm);
      for(dmn_idx=0;dmn_idx<dmn_nbr;dmn_idx++){
	(void)nco_inq_dimlen(nc_id,dmn_id[dmn_idx],&dmn_sz);
	(void)nco_inq_dimname(nc_id,dmn_id[dmn_idx],dmn_nm);
	(void)fprintf(stderr,"%2d %s\t%lu\t%lu\n",dmn_idx,dmn_nm,dmn_sz,(unsigned long)cnk_sz[dmn_idx]);
      } /* end loop over dmn */
    } /* endif dbg */

    /* Turn chunking on for this variable */
    (void)nco_def_var_chunking(nc_id,var_idx,srg_typ,cnk_sz);
    
    /* Free space holding dimension IDs and chunksizes */
    dmn_id=(int *)nco_free(dmn_id);
    cnk_sz=(size_t *)nco_free(cnk_sz);

  } /* end loop over var */
  
  return;
} /* end nco_cnk_sz_set() */
示例#5
0
文件: ncflint.c 项目: sebastic/nco
int 
main(int argc,char **argv)
{
  nco_bool CNV_CCM_CCSM_CF;
  nco_bool CMD_LN_NTP_VAR=False; /* Option i */
  nco_bool CMD_LN_NTP_WGT=True; /* Option w */
  nco_bool DO_CONFORM=False; /* Did nco_var_cnf_dmn() find truly conforming variables? */
  nco_bool EXCLUDE_INPUT_LIST=False; /* Option c */
  nco_bool EXTRACT_ALL_COORDINATES=False; /* Option c */
  nco_bool EXTRACT_ASSOCIATED_COORDINATES=True; /* Option C */
  nco_bool FILE_1_RETRIEVED_FROM_REMOTE_LOCATION;
  nco_bool FILE_2_RETRIEVED_FROM_REMOTE_LOCATION;
  nco_bool FIX_REC_CRD=False; /* [flg] Do not interpolate/multiply record coordinate variables */
  nco_bool FL_LST_IN_FROM_STDIN=False; /* [flg] fl_lst_in comes from stdin */
  nco_bool FORCE_APPEND=False; /* Option A */
  nco_bool FORCE_OVERWRITE=False; /* Option O */
  nco_bool FORTRAN_IDX_CNV=False; /* Option F */
  nco_bool GRP_VAR_UNN=False; /* [flg] Select union of specified groups and variables */
  nco_bool HISTORY_APPEND=True; /* Option h */
  nco_bool MSA_USR_RDR=False; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order*/
  nco_bool MUST_CONFORM=False; /* Must nco_var_cnf_dmn() find truly conforming variables? */
  nco_bool RAM_CREATE=False; /* [flg] Create file in RAM */
  nco_bool RAM_OPEN=False; /* [flg] Open (netCDF3-only) file(s) in RAM */
  nco_bool RM_RMT_FL_PST_PRC=True; /* Option R */
  nco_bool WRT_TMP_FL=True; /* [flg] Write output to temporary file */
  nco_bool flg_cln=True; /* [flg] Clean memory prior to exit */

  char **fl_lst_abb=NULL; /* Option a */
  char **fl_lst_in;
  char **ntp_lst_in;
  char **grp_lst_in=NULL_CEWI;
  char **var_lst_in=NULL_CEWI;
  char *aux_arg[NC_MAX_DIMS];
  char *cmd_ln;
  char *cnk_arg[NC_MAX_DIMS];
  char *cnk_map_sng=NULL_CEWI; /* [sng] Chunking map */
  char *cnk_plc_sng=NULL_CEWI; /* [sng] Chunking policy */
  char *fl_in_1=NULL; /* fl_in_1 is nco_realloc'd when not NULL */
  char *fl_in_2=NULL; /* fl_in_2 is nco_realloc'd when not NULL */
  char *fl_out=NULL; /* Option o */
  char *fl_out_tmp;
  char *fl_pth=NULL; /* Option p */
  char *fl_pth_lcl=NULL; /* Option l */
  char *lmt_arg[NC_MAX_DIMS];
  char *ntp_nm=NULL; /* Option i */
  char *opt_crr=NULL; /* [sng] String representation of current long-option name */
  char *optarg_lcl=NULL; /* [sng] Local copy of system optarg */
  char *ppc_arg[NC_MAX_VARS]; /* [sng] PPC arguments */
  char *sng_cnv_rcd=NULL_CEWI; /* [sng] strtol()/strtoul() return code */
  char trv_pth[]="/"; /* [sng] Root path of traversal tree */

  const char * const CVS_Id="$Id$"; 
  const char * const CVS_Revision="$Revision$";
  const char * const opt_sht_lst="3467ACcD:d:Fg:G:hi:L:l:Oo:p:rRt:v:X:xw:-:";

  cnk_sct cnk; /* [sct] Chunking structure */

#if defined(__cplusplus) || defined(PGI_CC)
  ddra_info_sct ddra_info;
  ddra_info.flg_ddra=False;
#else /* !__cplusplus */
  ddra_info_sct ddra_info={.flg_ddra=False};
#endif /* !__cplusplus */

  double ntp_val_out=double_CEWI; /* Option i */
  double wgt_val_1=0.5; /* Option w */
  double wgt_val_2=0.5; /* Option w */

  extern char *optarg;
  extern int optind;

  /* Using naked stdin/stdout/stderr in parallel region generates warning
     Copy appropriate filehandle to variable scoped shared in parallel clause */
  FILE * const fp_stderr=stderr; /* [fl] stderr filehandle CEWI */
  FILE * const fp_stdout=stdout; /* [fl] stdout filehandle CEWI */

  gpe_sct *gpe=NULL; /* [sng] Group Path Editing (GPE) structure */

  int *in_id_1_arr;
  int *in_id_2_arr;

  int abb_arg_nbr=0;
  int aux_nbr=0; /* [nbr] Number of auxiliary coordinate hyperslabs specified */
  int cnk_map=nco_cnk_map_nil; /* [enm] Chunking map */
  int cnk_nbr=0; /* [nbr] Number of chunk sizes */
  int cnk_plc=nco_cnk_plc_nil; /* [enm] Chunking policy */
  int dfl_lvl=NCO_DFL_LVL_UNDEFINED; /* [enm] Deflate level */
  int fl_idx;
  int fl_nbr=0;
  int fl_in_fmt_1; /* [enm] Input file format */
  int fl_in_fmt_2; /* [enm] Input file format */
  int fl_out_fmt=NCO_FORMAT_UNDEFINED; /* [enm] Output file format */
  int fll_md_old; /* [enm] Old fill mode */
  int has_mss_val=False;
  int idx;
  int in_id_1;  
  int in_id_2;  
  int lmt_nbr=0; /* Option d. NB: lmt_nbr gets incremented */
  int md_open; /* [enm] Mode flag for nc_open() call */
  int nbr_dmn_fl;
  int nbr_ntp;
  int nbr_var_fix; /* nbr_var_fix gets incremented */
  int nbr_var_fl;
  int nbr_var_prc; /* nbr_var_prc gets incremented */
  int xtr_nbr=0; /* xtr_nbr won't otherwise be set for -c with no -v */
  int opt;
  int out_id;  
  int ppc_nbr=0; /* [nbr] Number of PPC arguments */
  int rcd=NC_NOERR; /* [rcd] Return code */
  int thr_idx; /* [idx] Index of current thread */
  int thr_nbr=int_CEWI; /* [nbr] Thread number Option t */
  int var_lst_in_nbr=0;
  int grp_lst_in_nbr=0; /* [nbr] Number of groups explicitly specified by user */

  md5_sct *md5=NULL; /* [sct] MD5 configuration */

  size_t bfr_sz_hnt=NC_SIZEHINT_DEFAULT; /* [B] Buffer size hint */
  size_t cnk_min_byt=NCO_CNK_SZ_MIN_BYT_DFL; /* [B] Minimize size of variable to chunk */
  size_t cnk_sz_byt=0UL; /* [B] Chunk size in bytes */
  size_t cnk_sz_scl=0UL; /* [nbr] Chunk size scalar */
  size_t hdr_pad=0UL; /* [B] Pad at end of header section */

  val_unn val_gnr_unn; /* Generic container for arrival point or weight */

  var_sct *wgt_1=NULL_CEWI;
  var_sct *wgt_2=NULL_CEWI;
  var_sct *wgt_out_1=NULL;
  var_sct *wgt_out_2=NULL;
  var_sct **var;
  var_sct **var_fix;
  var_sct **var_fix_out;
  var_sct **var_out;
  var_sct **var_prc_1;
  var_sct **var_prc_2;
  var_sct **var_prc_out;

  trv_tbl_sct *trv_tbl=NULL; /* [lst] Traversal table */

  nco_dmn_dne_t *flg_dne=NULL; /* [lst] Flag to check if input dimension -d "does not exist" */

#ifdef ENABLE_MPI
  /* Declare all MPI-specific variables here */
  MPI_Comm mpi_cmm=MPI_COMM_WORLD; /* [prc] Communicator */
  int prc_rnk; /* [idx] Process rank */
  int prc_nbr=0; /* [nbr] Number of MPI processes */
#endif /* !ENABLE_MPI */
  
  static struct option opt_lng[]=
    { /* Structure ordered by short option key if possible */
      /* Long options with no argument, no short option counterpart */
      {"cln",no_argument,0,0}, /* [flg] Clean memory prior to exit */
      {"clean",no_argument,0,0}, /* [flg] Clean memory prior to exit */
      {"mmr_cln",no_argument,0,0}, /* [flg] Clean memory prior to exit */
      {"drt",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
      {"dirty",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
      {"mmr_drt",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
      {"hdf4",no_argument,0,0}, /* [flg] Treat file as HDF4 */
      {"hdf_upk",no_argument,0,0}, /* [flg] HDF unpack convention: unpacked=scale_factor*(packed-add_offset) */
      {"hdf_unpack",no_argument,0,0}, /* [flg] HDF unpack convention: unpacked=scale_factor*(packed-add_offset) */
      {"msa_usr_rdr",no_argument,0,0}, /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
      {"msa_user_order",no_argument,0,0}, /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
      {"fix_rec_crd",no_argument,0,0}, /* [flg] Do not interpolate/multiply record coordinate variables */
      {"ram_all",no_argument,0,0}, /* [flg] Open (netCDF3) and create file(s) in RAM */
      {"create_ram",no_argument,0,0}, /* [flg] Create file in RAM */
      {"open_ram",no_argument,0,0}, /* [flg] Open (netCDF3) file(s) in RAM */
      {"diskless_all",no_argument,0,0}, /* [flg] Open (netCDF3) and create file(s) in RAM */
      {"wrt_tmp_fl",no_argument,0,0}, /* [flg] Write output to temporary file */
      {"write_tmp_fl",no_argument,0,0}, /* [flg] Write output to temporary file */
      {"no_tmp_fl",no_argument,0,0}, /* [flg] Do not write output to temporary file */
      {"intersection",no_argument,0,0}, /* [flg] Select intersection of specified groups and variables */
      {"nsx",no_argument,0,0}, /* [flg] Select intersection of specified groups and variables */
      {"union",no_argument,0,0}, /* [flg] Select union of specified groups and variables */
      {"unn",no_argument,0,0}, /* [flg] Select union of specified groups and variables */
      {"version",no_argument,0,0},
      {"vrs",no_argument,0,0},
      /* Long options with argument, no short option counterpart */
      {"bfr_sz_hnt",required_argument,0,0}, /* [B] Buffer size hint */
      {"buffer_size_hint",required_argument,0,0}, /* [B] Buffer size hint */
      {"cnk_byt",required_argument,0,0}, /* [B] Chunk size in bytes */
      {"chunk_byte",required_argument,0,0}, /* [B] Chunk size in bytes */
      {"cnk_dmn",required_argument,0,0}, /* [nbr] Chunk size */
      {"chunk_dimension",required_argument,0,0}, /* [nbr] Chunk size */
      {"cnk_map",required_argument,0,0}, /* [nbr] Chunking map */
      {"chunk_map",required_argument,0,0}, /* [nbr] Chunking map */
      {"cnk_min",required_argument,0,0}, /* [B] Minimize size of variable to chunk */
      {"chunk_min",required_argument,0,0}, /* [B] Minimize size of variable to chunk */
      {"cnk_plc",required_argument,0,0}, /* [nbr] Chunking policy */
      {"chunk_policy",required_argument,0,0}, /* [nbr] Chunking policy */
      {"cnk_scl",required_argument,0,0}, /* [nbr] Chunk size scalar */
      {"chunk_scalar",required_argument,0,0}, /* [nbr] Chunk size scalar */
      {"fl_fmt",required_argument,0,0},
      {"file_format",required_argument,0,0},
      {"hdr_pad",required_argument,0,0},
      {"header_pad",required_argument,0,0},
      {"ppc",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
      {"precision_preserving_compression",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
      {"quantize",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
      /* Long options with short counterparts */
      {"3",no_argument,0,'3'},
      {"4",no_argument,0,'4'},
      {"64bit",no_argument,0,'4'},
      {"netcdf4",no_argument,0,'4'},
      {"append",no_argument,0,'A'},
      {"coords",no_argument,0,'c'},
      {"crd",no_argument,0,'c'},
      {"no-coords",no_argument,0,'C'},
      {"no-crd",no_argument,0,'C'},
      {"debug",required_argument,0,'D'},
      {"nco_dbg_lvl",required_argument,0,'D'},
      {"dimension",required_argument,0,'d'},
      {"dmn",required_argument,0,'d'},
      {"fortran",no_argument,0,'F'},
      {"ftn",no_argument,0,'F'},
      {"gpe",required_argument,0,'G'}, /* [sng] Group Path Edit (GPE) */
      {"grp",required_argument,0,'g'},
      {"group",required_argument,0,'g'},
      {"history",no_argument,0,'h'},
      {"hst",no_argument,0,'h'},
      {"interpolate",required_argument,0,'i'},
      {"ntp",required_argument,0,'i'},
      {"dfl_lvl",required_argument,0,'L'}, /* [enm] Deflate level */
      {"deflate",required_argument,0,'L'}, /* [enm] Deflate level */
      {"local",required_argument,0,'l'},
      {"lcl",required_argument,0,'l'},
      {"overwrite",no_argument,0,'O'},
      {"ovr",no_argument,0,'O'},
      {"output",required_argument,0,'o'},
      {"fl_out",required_argument,0,'o'},
      {"path",required_argument,0,'p'},
      {"retain",no_argument,0,'R'},
      {"rtn",no_argument,0,'R'},
      {"revision",no_argument,0,'r'},
      {"thr_nbr",required_argument,0,'t'},
      {"threads",required_argument,0,'t'},
      {"omp_num_threads",required_argument,0,'t'},
      {"variable",required_argument,0,'v'},
      {"weight",required_argument,0,'w'},
      {"wgt_var",no_argument,0,'w'},
      {"auxiliary",required_argument,0,'X'},
      {"exclude",no_argument,0,'x'},
      {"xcl",no_argument,0,'x'},
      {"help",no_argument,0,'?'},
      {"hlp",no_argument,0,'?'},
      {0,0,0,0}
    }; /* end opt_lng */
  int opt_idx=0; /* Index of current long option into opt_lng array */
  
  /* Start timer and save command line */ 
  ddra_info.tmr_flg=nco_tmr_srt;
  rcd+=nco_ddra((char *)NULL,(char *)NULL,&ddra_info);
  ddra_info.tmr_flg=nco_tmr_mtd;
  cmd_ln=nco_cmd_ln_sng(argc,argv);

  /* Get program name and set program enum (e.g., nco_prg_id=ncra) */
  nco_prg_nm=nco_prg_prs(argv[0],&nco_prg_id);

#ifdef ENABLE_MPI
  /* MPI Initialization */
  if(False) (void)fprintf(stdout,gettext("%s: WARNING Compiled with MPI\n"),nco_prg_nm);
  MPI_Init(&argc,&argv);
  MPI_Comm_size(mpi_cmm,&prc_nbr);
  MPI_Comm_rank(mpi_cmm,&prc_rnk);
#endif /* !ENABLE_MPI */
  
  /* Parse command line arguments */
  while(1){
    /* getopt_long_only() allows one dash to prefix long options */
    opt=getopt_long(argc,argv,opt_sht_lst,opt_lng,&opt_idx);
    /* NB: access to opt_crr is only valid when long_opt is detected */
    if(opt == EOF) break; /* Parse positional arguments once getopt_long() returns EOF */
    opt_crr=(char *)strdup(opt_lng[opt_idx].name);

    /* Process long options without short option counterparts */
    if(opt == 0){
      if(!strcmp(opt_crr,"bfr_sz_hnt") || !strcmp(opt_crr,"buffer_size_hint")){
        bfr_sz_hnt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_byt") || !strcmp(opt_crr,"chunk_byte")){
        cnk_sz_byt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk_byt */
      if(!strcmp(opt_crr,"cnk_min") || !strcmp(opt_crr,"chunk_min")){
        cnk_min_byt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk_min */
      if(!strcmp(opt_crr,"cnk_dmn") || !strcmp(opt_crr,"chunk_dimension")){
        /* Copy limit argument for later processing */
        cnk_arg[cnk_nbr]=(char *)strdup(optarg);
        cnk_nbr++;
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_scl") || !strcmp(opt_crr,"chunk_scalar")){
        cnk_sz_scl=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_map") || !strcmp(opt_crr,"chunk_map")){
        /* Chunking map */
        cnk_map_sng=(char *)strdup(optarg);
        cnk_map=nco_cnk_map_get(cnk_map_sng);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_plc") || !strcmp(opt_crr,"chunk_policy")){
        /* Chunking policy */
        cnk_plc_sng=(char *)strdup(optarg);
        cnk_plc=nco_cnk_plc_get(cnk_plc_sng);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cln") || !strcmp(opt_crr,"mmr_cln") || !strcmp(opt_crr,"clean")) flg_cln=True; /* [flg] Clean memory prior to exit */
      if(!strcmp(opt_crr,"drt") || !strcmp(opt_crr,"mmr_drt") || !strcmp(opt_crr,"dirty")) flg_cln=False; /* [flg] Clean memory prior to exit */
      if(!strcmp(opt_crr,"fix_rec_crd")) FIX_REC_CRD=True; /* [flg] Do not interpolate/multiply record coordinate variables */
      if(!strcmp(opt_crr,"fl_fmt") || !strcmp(opt_crr,"file_format")) rcd=nco_create_mode_prs(optarg,&fl_out_fmt);
      if(!strcmp(opt_crr,"hdf4")) nco_fmt_xtn=nco_fmt_xtn_hdf4; /* [enm] Treat file as HDF4 */
      if(!strcmp(opt_crr,"hdf_upk") || !strcmp(opt_crr,"hdf_unpack")) nco_upk_cnv=nco_upk_HDF; /* [flg] HDF unpack convention: unpacked=scale_factor*(packed-add_offset) */
      if(!strcmp(opt_crr,"hdr_pad") || !strcmp(opt_crr,"header_pad")){
        hdr_pad=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif "hdr_pad" */
      if(!strcmp(opt_crr,"msa_usr_rdr") || !strcmp(opt_crr,"msa_user_order")) MSA_USR_RDR=True; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
      if(!strcmp(opt_crr,"ppc") || !strcmp(opt_crr,"precision_preserving_compression") || !strcmp(opt_crr,"quantize")){
        ppc_arg[ppc_nbr]=(char *)strdup(optarg);
        ppc_nbr++;
      } /* endif "ppc" */
      if(!strcmp(opt_crr,"ram_all") || !strcmp(opt_crr,"create_ram") || !strcmp(opt_crr,"diskless_all")) RAM_CREATE=True; /* [flg] Open (netCDF3) file(s) in RAM */
      if(!strcmp(opt_crr,"ram_all") || !strcmp(opt_crr,"open_ram") || !strcmp(opt_crr,"diskless_all")) RAM_OPEN=True; /* [flg] Create file in RAM */
      if(!strcmp(opt_crr,"unn") || !strcmp(opt_crr,"union")) GRP_VAR_UNN=True;
      if(!strcmp(opt_crr,"nsx") || !strcmp(opt_crr,"intersection")) GRP_VAR_UNN=False;
      if(!strcmp(opt_crr,"vrs") || !strcmp(opt_crr,"version")){
        (void)nco_vrs_prn(CVS_Id,CVS_Revision);
        nco_exit(EXIT_SUCCESS);
      } /* endif "vrs" */
      if(!strcmp(opt_crr,"wrt_tmp_fl") || !strcmp(opt_crr,"write_tmp_fl")) WRT_TMP_FL=True;
      if(!strcmp(opt_crr,"no_tmp_fl")) WRT_TMP_FL=False;
    } /* opt != 0 */
    /* Process short options */
    switch(opt){
    case 0: /* Long options have already been processed, return */
      break;
    case '3': /* Request netCDF3 output storage format */
      fl_out_fmt=NC_FORMAT_CLASSIC;
      break;
    case '4': /* Catch-all to prescribe output storage format */
      if(!strcmp(opt_crr,"64bit")) fl_out_fmt=NC_FORMAT_64BIT; else fl_out_fmt=NC_FORMAT_NETCDF4; 
      break;
    case '6': /* Request netCDF3 64-bit offset output storage format */
      fl_out_fmt=NC_FORMAT_64BIT;
      break;
    case '7': /* Request netCDF4-classic output storage format */
      fl_out_fmt=NC_FORMAT_NETCDF4_CLASSIC;
      break;
    case 'A': /* Toggle FORCE_APPEND */
      FORCE_APPEND=!FORCE_APPEND;
      break;
    case 'C': /* Extract all coordinates associated with extracted variables? */
      EXTRACT_ASSOCIATED_COORDINATES=False;
      break;
    case 'c':
      EXTRACT_ALL_COORDINATES=True;
      break;
    case 'D': /* The debugging level. Default is 0. */
      nco_dbg_lvl=(unsigned short int)strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      nc_set_log_level(nco_dbg_lvl);
      break;
    case 'd': /* Copy limit argument for later processing */
      lmt_arg[lmt_nbr]=(char *)strdup(optarg);
      lmt_nbr++;
      break;
    case 'F': /* Toggle index convention. Default is 0-based arrays (C-style). */
      FORTRAN_IDX_CNV=!FORTRAN_IDX_CNV;
      break;
    case 'G': /* Apply Group Path Editing (GPE) to output group */
      /* NB: GNU getopt() optional argument syntax is ugly (requires "=" sign) so avoid it
      http://stackoverflow.com/questions/1052746/getopt-does-not-parse-optional-arguments-to-parameters */
      gpe=nco_gpe_prs_arg(optarg);
      fl_out_fmt=NC_FORMAT_NETCDF4; 
      break;
    case 'g': /* Copy group argument for later processing */
      /* Replace commas with hashes when within braces (convert back later) */
      optarg_lcl=(char *)strdup(optarg);
      (void)nco_rx_comma2hash(optarg_lcl);
      grp_lst_in=nco_lst_prs_2D(optarg_lcl,",",&grp_lst_in_nbr);
      optarg_lcl=(char *)nco_free(optarg_lcl);
      break;
    case 'h': /* Toggle appending to history global attribute */
      HISTORY_APPEND=!HISTORY_APPEND;
      break;
    case 'i':
      /* Name of variable to guide interpolation. Default is none */
      ntp_lst_in=nco_lst_prs_2D(optarg,",",&nbr_ntp);
      if(nbr_ntp > 2){
        (void)fprintf(stdout,"%s: ERROR too many arguments to -i\n",nco_prg_nm_get());
        nco_exit(EXIT_FAILURE);
      } /* end if */
      ntp_nm=ntp_lst_in[0];
      ntp_val_out=strtod(ntp_lst_in[1],&sng_cnv_rcd);
      if(*sng_cnv_rcd) nco_sng_cnv_err(ntp_lst_in[1],"strtod",sng_cnv_rcd);
      CMD_LN_NTP_VAR=True;
      CMD_LN_NTP_WGT=False;
      break;
    case 'L': /* [enm] Deflate level. Default is 0. */
      dfl_lvl=(int)strtol(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtol",sng_cnv_rcd);
      break;
    case 'l': /* Local path prefix for files retrieved from remote file system */
      fl_pth_lcl=(char *)strdup(optarg);
      break;
    case 'O': /* Toggle FORCE_OVERWRITE */
      FORCE_OVERWRITE=!FORCE_OVERWRITE;
      break;
    case 'o': /* Name of output file */
      fl_out=(char *)strdup(optarg);
      break;
    case 'p': /* Common file path */
      fl_pth=(char *)strdup(optarg);
      break;
    case 'R': /* Toggle removal of remotely-retrieved-files. Default is True. */
      RM_RMT_FL_PST_PRC=!RM_RMT_FL_PST_PRC;
      break;
    case 'r': /* Print CVS program information and copyright notice */
      (void)nco_vrs_prn(CVS_Id,CVS_Revision);
      (void)nco_lbr_vrs_prn();
      (void)nco_cpy_prn();
      (void)nco_cnf_prn();
      nco_exit(EXIT_SUCCESS);
      break;
    case 't': /* Thread number */
      thr_nbr=(int)strtol(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtol",sng_cnv_rcd);
      break;
    case 'v': /* Variables to extract/exclude */
      /* Replace commas with hashes when within braces (convert back later) */
      optarg_lcl=(char *)strdup(optarg);
      (void)nco_rx_comma2hash(optarg_lcl);
      var_lst_in=nco_lst_prs_2D(optarg_lcl,",",&var_lst_in_nbr);
      optarg_lcl=(char *)nco_free(optarg_lcl);
      xtr_nbr=var_lst_in_nbr;
      break;
    case 'w':
      /* Weight(s) for interpolation.  Default is wgt_val_1=wgt_val_2=0.5 */
      ntp_lst_in=nco_lst_prs_2D(optarg,",",&nbr_ntp);
      if(nbr_ntp > 2){
        (void)fprintf(stdout,"%s: ERROR too many arguments to -w\n",nco_prg_nm_get());
        nco_exit(EXIT_FAILURE);
      }else if(nbr_ntp == 2){
        wgt_val_1=strtod(ntp_lst_in[0],&sng_cnv_rcd);
        if(*sng_cnv_rcd) nco_sng_cnv_err(ntp_lst_in[0],"strtod",sng_cnv_rcd);
        wgt_val_2=strtod(ntp_lst_in[1],&sng_cnv_rcd);
        if(*sng_cnv_rcd) nco_sng_cnv_err(ntp_lst_in[1],"strtod",sng_cnv_rcd);
      }else if(nbr_ntp == 1){
        wgt_val_1=strtod(ntp_lst_in[0],&sng_cnv_rcd);
        if(*sng_cnv_rcd) nco_sng_cnv_err(ntp_lst_in[0],"strtod",sng_cnv_rcd);
        wgt_val_2=1.0-wgt_val_1;
      } /* end else */
      CMD_LN_NTP_WGT=True;
      break;
    case 'X': /* Copy auxiliary coordinate argument for later processing */
      aux_arg[aux_nbr]=(char *)strdup(optarg);
      aux_nbr++;
      MSA_USR_RDR=True; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */      
      break;
    case 'x': /* Exclude rather than extract variables specified with -v */
      EXCLUDE_INPUT_LIST=True;
      break;
    case '?': /* Print proper usage */
      (void)nco_usg_prn();
      nco_exit(EXIT_SUCCESS);
      break;
    case '-': /* Long options are not allowed */
      (void)fprintf(stderr,"%s: ERROR Long options are not available in this build. Use single letter options instead.\n",nco_prg_nm_get());
      nco_exit(EXIT_FAILURE);
      break;
    default: /* Print proper usage */
      (void)fprintf(stdout,"%s ERROR in command-line syntax/options. Please reformulate command accordingly.\n",nco_prg_nm_get());
      (void)nco_usg_prn();
      nco_exit(EXIT_FAILURE);
      break;
    } /* end switch */
    if(opt_crr) opt_crr=(char *)nco_free(opt_crr);
  } /* end while loop */

  if(CMD_LN_NTP_VAR && CMD_LN_NTP_WGT){
    (void)fprintf(stdout,"%s: ERROR interpolating variable (-i) and fixed weight(s) (-w) both set\n",nco_prg_nm_get());
    nco_exit(EXIT_FAILURE);
  }else if(!CMD_LN_NTP_VAR && !CMD_LN_NTP_WGT){
    (void)fprintf(stdout,"%s: ERROR interpolating variable (-i) or fixed weight(s) (-w) must be set\n",nco_prg_nm_get());
    nco_exit(EXIT_FAILURE);
  } /* end else */

  /* Process positional arguments and fill in filenames */
  fl_lst_in=nco_fl_lst_mk(argv,argc,optind,&fl_nbr,&fl_out,&FL_LST_IN_FROM_STDIN);

  /* Initialize thread information */
  thr_nbr=nco_openmp_ini(thr_nbr);
  in_id_1_arr=(int *)nco_malloc(thr_nbr*sizeof(int));
  in_id_2_arr=(int *)nco_malloc(thr_nbr*sizeof(int));

  /* Parse filenames */
  fl_idx=0; /* Input file _1 */
  fl_in_1=nco_fl_nm_prs(fl_in_1,fl_idx,&fl_nbr,fl_lst_in,abb_arg_nbr,fl_lst_abb,fl_pth);
  if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"%s: INFO Input file %d is %s",nco_prg_nm_get(),fl_idx,fl_in_1);
  /* Make sure file is on local system and is readable or die trying */
  fl_in_1=nco_fl_mk_lcl(fl_in_1,fl_pth_lcl,&FILE_1_RETRIEVED_FROM_REMOTE_LOCATION);
  if(nco_dbg_lvl >= nco_dbg_fl && FILE_1_RETRIEVED_FROM_REMOTE_LOCATION) (void)fprintf(stderr,", local file is %s",fl_in_1);
  if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"\n");
  /* Open file once per thread to improve caching */
  if(RAM_OPEN) md_open=NC_NOWRITE|NC_DISKLESS; else md_open=NC_NOWRITE;
  for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) rcd+=nco_fl_open(fl_in_1,md_open,&bfr_sz_hnt,in_id_1_arr+thr_idx);
  in_id_1=in_id_1_arr[0];

  fl_idx=1; /* Input file _2 */
  fl_in_2=nco_fl_nm_prs(fl_in_2,fl_idx,&fl_nbr,fl_lst_in,abb_arg_nbr,fl_lst_abb,fl_pth);
  if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"%s: INFO Input file %d is %s",nco_prg_nm_get(),fl_idx,fl_in_2);
  /* Make sure file is on local system and is readable or die trying */
  fl_in_2=nco_fl_mk_lcl(fl_in_2,fl_pth_lcl,&FILE_2_RETRIEVED_FROM_REMOTE_LOCATION);
  if(nco_dbg_lvl >= nco_dbg_fl && FILE_2_RETRIEVED_FROM_REMOTE_LOCATION) (void)fprintf(stderr,", local file is %s",fl_in_2);
  if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"\n");
  /* Open file once per thread to improve caching */
  if(RAM_OPEN) md_open=NC_NOWRITE|NC_DISKLESS; else md_open=NC_NOWRITE;
  for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) rcd+=nco_fl_open(fl_in_2,md_open,&bfr_sz_hnt,in_id_2_arr+thr_idx);
  in_id_2=in_id_2_arr[0];

  (void)nco_inq_format(in_id_1,&fl_in_fmt_1);
  (void)nco_inq_format(in_id_2,&fl_in_fmt_2);
 
  trv_tbl_init(&trv_tbl);

  /* Construct GTT, Group Traversal Table (groups,variables,dimensions, limits) */
  (void)nco_bld_trv_tbl(in_id_1,trv_pth,lmt_nbr,lmt_arg,aux_nbr,aux_arg,MSA_USR_RDR,FORTRAN_IDX_CNV,grp_lst_in,grp_lst_in_nbr,var_lst_in,xtr_nbr,EXTRACT_ALL_COORDINATES,GRP_VAR_UNN,False,EXCLUDE_INPUT_LIST,EXTRACT_ASSOCIATED_COORDINATES,nco_pck_plc_nil,&flg_dne,trv_tbl);

  /* Were all user-specified dimensions found? */ 
  (void)nco_chk_dmn(lmt_nbr,flg_dne);     

  /* Get number of variables, dimensions, and global attributes in file, file format */
  (void)trv_tbl_inq((int *)NULL,(int *)NULL,(int *)NULL,&nbr_dmn_fl,(int *)NULL,(int *)NULL,(int *)NULL,(int *)NULL,&nbr_var_fl,trv_tbl);

  /* Fill-in variable structure list for all extracted variables */
  var=nco_fll_var_trv(in_id_1,&xtr_nbr,trv_tbl);

  var_out=(var_sct **)nco_malloc(xtr_nbr*sizeof(var_sct *));
  for(int var_idx=0;var_idx<xtr_nbr;var_idx++)
    var_out[var_idx]=nco_var_dpl(var[var_idx]);

  /* Is this a CCM/CCSM/CF-format history tape? */
  CNV_CCM_CCSM_CF=nco_cnv_ccm_ccsm_cf_inq(in_id_1);

  /* Divide variable lists into lists of fixed variables and variables to be processed */
  (void)nco_var_lst_dvd(var,var_out,xtr_nbr,CNV_CCM_CCSM_CF,FIX_REC_CRD,nco_pck_plc_nil,nco_pck_map_nil,(dmn_sct **)NULL,0,&var_fix,&var_fix_out,&nbr_var_fix,&var_prc_1,&var_prc_out,&nbr_var_prc,trv_tbl);

  /* Store processed and fixed variables info into GTT */
  (void)nco_var_prc_fix_trv(nbr_var_prc,var_prc_1,nbr_var_fix,var_fix,trv_tbl);

  /* Make output and input files consanguinous */
  if(fl_out_fmt == NCO_FORMAT_UNDEFINED) fl_out_fmt=fl_in_fmt_1;

  /* Initialize, decode, and set PPC information */
  if(ppc_nbr > 0) nco_ppc_ini(in_id_1,&dfl_lvl,fl_out_fmt,ppc_arg,ppc_nbr,trv_tbl);

  /* Verify output file format supports requested actions */
  (void)nco_fl_fmt_vet(fl_out_fmt,cnk_nbr,dfl_lvl);

  /* Open output file */
  fl_out_tmp=nco_fl_out_open(fl_out,FORCE_APPEND,FORCE_OVERWRITE,fl_out_fmt,&bfr_sz_hnt,RAM_CREATE,RAM_OPEN,WRT_TMP_FL,&out_id);

  /* Initialize chunking from user-specified inputs */
  if(fl_out_fmt == NC_FORMAT_NETCDF4 || fl_out_fmt == NC_FORMAT_NETCDF4_CLASSIC) rcd+=nco_cnk_ini(in_id_1,fl_out,cnk_arg,cnk_nbr,cnk_map,cnk_plc,cnk_min_byt,cnk_sz_byt,cnk_sz_scl,&cnk);

  /* Transfer variable type to table. NOTE: Using var/xtr_nbr containing all variables (processed, fixed) */
  (void)nco_var_typ_trv(xtr_nbr,var,trv_tbl);         

  /* Define dimensions, extracted groups, variables, and attributes in output file */
  (void)nco_xtr_dfn(in_id_1,out_id,&cnk,dfl_lvl,gpe,md5,!FORCE_APPEND,True,False,nco_pck_plc_nil,(char *)NULL,trv_tbl);

  /* Catenate time-stamped command line to "history" global attribute */
  if(HISTORY_APPEND) (void)nco_hst_att_cat(out_id,cmd_ln);
  if(HISTORY_APPEND && FORCE_APPEND) (void)nco_prv_att_cat(fl_in_1,in_id_1,out_id);
  if(HISTORY_APPEND) (void)nco_vrs_att_cat(out_id);
  if(thr_nbr > 0 && HISTORY_APPEND) (void)nco_thr_att_cat(out_id,thr_nbr);

  /* Turn off default filling behavior to enhance efficiency */
  nco_set_fill(out_id,NC_NOFILL,&fll_md_old);

  /* Take output file out of define mode */
  if(hdr_pad == 0UL){
    (void)nco_enddef(out_id);
  }else{
    (void)nco__enddef(out_id,hdr_pad);
    if(nco_dbg_lvl >= nco_dbg_scl) (void)fprintf(stderr,"%s: INFO Padding header with %lu extra bytes\n",nco_prg_nm_get(),(unsigned long)hdr_pad);
  } /* hdr_pad */

  /* Assign zero to start and unity to stride vectors in output variables */
  (void)nco_var_srd_srt_set(var_out,xtr_nbr);

  /* Copy variable data for non-processed variables */
  (void)nco_cpy_fix_var_trv(in_id_1,out_id,gpe,trv_tbl);  

  /* Perform various error-checks on input file */
  if(False) (void)nco_fl_cmp_err_chk();

  /* ncflint-specific stuff: */
  /* Find the weighting variable in input file */
  if(CMD_LN_NTP_VAR){
    var_sct *ntp_1=NULL;
    var_sct *ntp_2=NULL;
    var_sct *ntp_var_out;

    /* Turn arrival point into pseudo-variable */
    val_gnr_unn.d=ntp_val_out; /* Generic container for arrival point or weight */
    ntp_var_out=scl_mk_var(val_gnr_unn,NC_DOUBLE);

    int xtr_nbr_ntp_1;
    int xtr_nbr_ntp_2;

    var_sct ** var_ntp_1;
    var_sct ** var_ntp_2; 

    /* Fill-in variable structure list for all variables named "ntp_nm" NOTE: using table from file 1 */
    var_ntp_1=nco_var_trv(in_id_1,ntp_nm,&xtr_nbr_ntp_1,trv_tbl);
    var_ntp_2=nco_var_trv(in_id_2,ntp_nm,&xtr_nbr_ntp_2,trv_tbl);

    if (xtr_nbr_ntp_1) ntp_1=var_ntp_1[0];
    if (xtr_nbr_ntp_2) ntp_2=var_ntp_2[0];

    if(!xtr_nbr_ntp_1 || !xtr_nbr_ntp_2){
      (void)fprintf(fp_stdout,"%s: ERROR Variable %s is not present in input file. ncflint assumes same file structure for both input files\n",nco_prg_nm_get(),ntp_nm);
      nco_exit(EXIT_FAILURE);
    } /* endif */
    
    /* Read */
    (void)nco_msa_var_get_trv(in_id_1,ntp_1,trv_tbl);
    (void)nco_msa_var_get_trv(in_id_2,ntp_2,trv_tbl);

    /* Currently, only support scalar variables */
    if(ntp_1->sz > 1 || ntp_2->sz > 1){
      (void)fprintf(stdout,"%s: ERROR interpolation variable %s must be scalar\n",nco_prg_nm_get(),ntp_nm);
      nco_exit(EXIT_FAILURE);
    } /* end if */

    /* Weights must be NC_DOUBLE */
    ntp_1=nco_var_cnf_typ((nc_type)NC_DOUBLE,ntp_1);
    ntp_2=nco_var_cnf_typ((nc_type)NC_DOUBLE,ntp_2);

    /* Check for degenerate case */
    if(ntp_1->val.dp[0] == ntp_2->val.dp[0]){
      (void)fprintf(stdout,"%s: ERROR Interpolation variable %s is identical (%g) in input files, therefore unable to interpolate.\n",nco_prg_nm_get(),ntp_nm,ntp_1->val.dp[0]);
      nco_exit(EXIT_FAILURE);
    } /* end if */

    /* Turn weights into pseudo-variables */
    wgt_1=nco_var_dpl(ntp_2);
    wgt_2=nco_var_dpl(ntp_var_out);

    /* Subtract to find interpolation distances */
    (void)nco_var_sbt(ntp_1->type,ntp_1->sz,ntp_1->has_mss_val,ntp_1->mss_val,ntp_var_out->val,wgt_1->val);
    (void)nco_var_sbt(ntp_1->type,ntp_1->sz,ntp_1->has_mss_val,ntp_1->mss_val,ntp_1->val,wgt_2->val);
    (void)nco_var_sbt(ntp_1->type,ntp_1->sz,ntp_1->has_mss_val,ntp_1->mss_val,ntp_1->val,ntp_2->val);

    /* Normalize to obtain final interpolation weights */
    (void)nco_var_dvd(wgt_1->type,wgt_1->sz,wgt_1->has_mss_val,wgt_1->mss_val,ntp_2->val,wgt_1->val);
    (void)nco_var_dvd(wgt_2->type,wgt_2->sz,wgt_2->has_mss_val,wgt_2->mss_val,ntp_2->val,wgt_2->val);

    for(idx=0;idx<xtr_nbr_ntp_1;idx++) var_ntp_1[idx]=nco_var_free(var_ntp_1[idx]);
    for(idx=0;idx<xtr_nbr_ntp_2;idx++) var_ntp_2[idx]=nco_var_free(var_ntp_2[idx]);
    var_ntp_1=(var_sct **)nco_free(var_ntp_1);
    var_ntp_2=(var_sct **)nco_free(var_ntp_2);

    if(ntp_var_out) ntp_var_out=nco_var_free(ntp_var_out);
  } /* end if CMD_LN_NTP_VAR */

  if(CMD_LN_NTP_WGT){
    val_gnr_unn.d=wgt_val_1; /* Generic container for arrival point or weight */
    wgt_1=scl_mk_var(val_gnr_unn,NC_DOUBLE);
    val_gnr_unn.d=wgt_val_2; /* Generic container for arrival point or weight */
    wgt_2=scl_mk_var(val_gnr_unn,NC_DOUBLE);
  } /* end if CMD_LN_NTP_WGT */

  if(nco_dbg_lvl >= nco_dbg_scl) (void)fprintf(stderr,"wgt_1 = %g, wgt_2 = %g\n",wgt_1->val.dp[0],wgt_2->val.dp[0]);

  /* Create structure list for second file */
  var_prc_2=(var_sct **)nco_malloc(nbr_var_prc*sizeof(var_sct *));

  /* Timestamp end of metadata setup and disk layout */
  rcd+=nco_ddra((char *)NULL,(char *)NULL,&ddra_info);
  ddra_info.tmr_flg=nco_tmr_rgl;

  /* Loop over each interpolated variable */
#ifdef _OPENMP
  /* OpenMP notes:
     shared(): msk and wgt are not altered within loop
     private(): wgt_avg does not need initialization */
# pragma omp parallel for default(none) firstprivate(wgt_1,wgt_2,wgt_out_1,wgt_out_2) private(DO_CONFORM,idx,in_id_1,in_id_2,has_mss_val) shared(MUST_CONFORM,nco_dbg_lvl,fl_in_1,fl_in_2,fl_out,gpe,in_id_1_arr,in_id_2_arr,nbr_var_prc,out_id,nco_prg_nm,var_prc_1,var_prc_2,var_prc_out,nbr_dmn_fl,trv_tbl)
#endif /* !_OPENMP */
  for(idx=0;idx<nbr_var_prc;idx++){
    
    /* Note: Using object 2 from table 1, only one table built, assumes same structure for processed objects in both files */

    char *grp_out_fll=NULL; /* [sng] Group name */

    int grp_id_1;      /* [ID] Group ID */
    int grp_id_2;      /* [ID] Group ID */
    int grp_out_id;    /* [ID] Group ID (output) */
    int var_out_id;    /* [ID] Variable ID (output) */

    trv_sct *var_trv_1;/* [sct] Variable GTT object */
    trv_sct *var_trv_2;/* [sct] Variable GTT object */

    if(nco_dbg_lvl >= nco_dbg_var) (void)fprintf(fp_stderr,"%s, ",var_prc_1[idx]->nm);
    if(nco_dbg_lvl >= nco_dbg_var) (void)fflush(fp_stderr);

    in_id_1=in_id_1_arr[omp_get_thread_num()];
    in_id_2=in_id_2_arr[omp_get_thread_num()];

    var_prc_2[idx]=nco_var_dpl(var_prc_1[idx]);

    /* Obtain variable GTT object using full variable name */
    var_trv_1=trv_tbl_var_nm_fll(var_prc_1[idx]->nm_fll,trv_tbl);
    var_trv_2=trv_tbl_var_nm_fll(var_prc_2[idx]->nm_fll,trv_tbl);

    if(!var_trv_2){
      (void)fprintf(fp_stdout,"%s: ERROR Variable %s is not present in second input file. ncflint assumes same structure for processed objects in both files\n",nco_prg_nm_get(),var_trv_1->nm_fll);
      nco_exit(EXIT_FAILURE);
    } /* endif */

    /* Obtain group ID */
    (void)nco_inq_grp_full_ncid(in_id_1,var_trv_1->grp_nm_fll,&grp_id_1);
    (void)nco_inq_grp_full_ncid(in_id_2,var_trv_2->grp_nm_fll,&grp_id_2);

    (void)nco_var_mtd_refresh(grp_id_2,var_prc_2[idx]);

    /* Read */
    (void)nco_msa_var_get_trv(in_id_1,var_prc_1[idx],trv_tbl);
    (void)nco_msa_var_get_trv(in_id_2,var_prc_2[idx],trv_tbl);

    /* Set var_prc_1 and var_prc_2 to correct size */
    var_prc_1[idx]->sz=var_prc_out[idx]->sz;       
    var_prc_2[idx]->sz=var_prc_out[idx]->sz;  

    /* Stretch second variable to match dimensions of first variable */
    wgt_out_1=nco_var_cnf_dmn(var_prc_out[idx],wgt_1,wgt_out_1,MUST_CONFORM,&DO_CONFORM);
    wgt_out_2=nco_var_cnf_dmn(var_prc_out[idx],wgt_2,wgt_out_2,MUST_CONFORM,&DO_CONFORM);

    var_prc_1[idx]=nco_var_cnf_typ((nc_type)NC_DOUBLE,var_prc_1[idx]);
    var_prc_2[idx]=nco_var_cnf_typ((nc_type)NC_DOUBLE,var_prc_2[idx]);

    /* Allocate and, if necesssary, initialize space for processed variable */
    var_prc_out[idx]->sz=var_prc_1[idx]->sz;

    /* NB: must not try to free() same tally buffer twice */
    /* var_prc_out[idx]->tally=var_prc_1[idx]->tally=(long *)nco_malloc(var_prc_out[idx]->sz*sizeof(long int));*/
    var_prc_out[idx]->tally=(long *)nco_malloc(var_prc_out[idx]->sz*sizeof(long int));
    (void)nco_zero_long(var_prc_out[idx]->sz,var_prc_out[idx]->tally);

    /* Weight variable by taking product of weight with variable */
    (void)nco_var_mlt(var_prc_1[idx]->type,var_prc_1[idx]->sz,var_prc_1[idx]->has_mss_val,var_prc_1[idx]->mss_val,wgt_out_1->val,var_prc_1[idx]->val);
    (void)nco_var_mlt(var_prc_2[idx]->type,var_prc_2[idx]->sz,var_prc_2[idx]->has_mss_val,var_prc_2[idx]->mss_val,wgt_out_2->val,var_prc_2[idx]->val);

    /* Change missing_value of var_prc_2, if any, to missing_value of var_prc_1, if any */
    has_mss_val=nco_mss_val_cnf(var_prc_1[idx],var_prc_2[idx]);

    /* NB: fxm: use tally to determine when to "unweight" answer? TODO */
    (void)nco_var_add_tll_ncflint(var_prc_1[idx]->type,var_prc_1[idx]->sz,has_mss_val,var_prc_1[idx]->mss_val,var_prc_out[idx]->tally,var_prc_1[idx]->val,var_prc_2[idx]->val);

    /* Re-cast output variable to original type */
    var_prc_2[idx]=nco_var_cnf_typ(var_prc_out[idx]->type,var_prc_2[idx]);

    /* Edit group name for output */
    if(gpe) grp_out_fll=nco_gpe_evl(gpe,var_trv_1->grp_nm_fll); else grp_out_fll=(char *)strdup(var_trv_1->grp_nm_fll);

    /* Obtain output group ID */
    (void)nco_inq_grp_full_ncid(out_id,grp_out_fll,&grp_out_id);

    /* Memory management after current extracted group */
    if(grp_out_fll) grp_out_fll=(char *)nco_free(grp_out_fll);

    /* Get variable ID */
    (void)nco_inq_varid(grp_out_id,var_trv_1->nm,&var_out_id);

    /* Store the output variable ID */
    var_prc_out[idx]->id=var_out_id;

    if(var_trv_1->ppc != NC_MAX_INT){
    if(var_trv_1->flg_nsd) (void)nco_ppc_bitmask(var_trv_1->ppc,var_prc_2[idx]->type,var_prc_out[idx]->sz,var_prc_out[idx]->has_mss_val,var_prc_out[idx]->mss_val,var_prc_2[idx]->val); else (void)nco_ppc_around(var_trv_1->ppc,var_prc_2[idx]->type,var_prc_out[idx]->sz,var_prc_out[idx]->has_mss_val,var_prc_out[idx]->mss_val,var_prc_2[idx]->val);
    } /* endif ppc */
    if(nco_is_xcp(var_trv_1->nm)) nco_xcp_prc(var_trv_1->nm,var_prc_2[idx]->type,var_prc_out[idx]->sz,(char *)var_prc_2[idx]->val.vp);
#ifdef _OPENMP
# pragma omp critical
#endif /* _OPENMP */
    { /* begin OpenMP critical */
      /* Copy interpolations to output file */
      if(!var_prc_out[idx]->nbr_dim) (void)nco_put_var1(grp_out_id,var_prc_out[idx]->id,var_prc_out[idx]->srt,var_prc_2[idx]->val.vp,var_prc_2[idx]->type); else (void)nco_put_vara(grp_out_id,var_prc_out[idx]->id,var_prc_out[idx]->srt,var_prc_out[idx]->cnt,var_prc_2[idx]->val.vp,var_prc_2[idx]->type);
    } /* end OpenMP critical */

    /* Free dynamically allocated buffers */
    if(var_prc_1[idx]) var_prc_1[idx]=nco_var_free(var_prc_1[idx]);
    if(var_prc_2[idx]) var_prc_2[idx]=nco_var_free(var_prc_2[idx]);
    if(var_prc_out[idx]) var_prc_out[idx]=nco_var_free(var_prc_out[idx]);

  } /* end (OpenMP parallel for) loop over idx */
  if(nco_dbg_lvl >= nco_dbg_var) (void)fprintf(stderr,"\n");

  /* Close input netCDF files */
  for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) nco_close(in_id_1_arr[thr_idx]);
  for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) nco_close(in_id_2_arr[thr_idx]);

  /* Close output file and move it from temporary to permanent location */
  (void)nco_fl_out_cls(fl_out,fl_out_tmp,out_id);

  /* Remove local copy of file */
  if(FILE_1_RETRIEVED_FROM_REMOTE_LOCATION && RM_RMT_FL_PST_PRC) (void)nco_fl_rm(fl_in_1);
  if(FILE_2_RETRIEVED_FROM_REMOTE_LOCATION && RM_RMT_FL_PST_PRC) (void)nco_fl_rm(fl_in_2);

  /* Clean memory unless dirty memory allowed */
  if(flg_cln){
    /* ncflint-specific memory */
    if(fl_in_1) fl_in_1=(char *)nco_free(fl_in_1);
    if(fl_in_2) fl_in_2=(char *)nco_free(fl_in_2);
    var_prc_1=(var_sct **)nco_free(var_prc_1);
    var_prc_2=(var_sct **)nco_free(var_prc_2);
    if(wgt_1) wgt_1=(var_sct *)nco_var_free(wgt_1);
    if(wgt_2) wgt_2=(var_sct *)nco_var_free(wgt_2);
    if(wgt_out_1) wgt_out_1=(var_sct *)nco_var_free(wgt_out_1);
    if(wgt_out_2) wgt_out_2=(var_sct *)nco_var_free(wgt_out_2);

    /* NCO-generic clean-up */
    /* Free individual strings/arrays */
    if(cmd_ln) cmd_ln=(char *)nco_free(cmd_ln);
    if(cnk_map_sng) cnk_map_sng=(char *)nco_free(cnk_map_sng);
    if(cnk_plc_sng) cnk_plc_sng=(char *)nco_free(cnk_plc_sng);
    if(fl_out) fl_out=(char *)nco_free(fl_out);
    if(fl_out_tmp) fl_out_tmp=(char *)nco_free(fl_out_tmp);
    if(fl_pth) fl_pth=(char *)nco_free(fl_pth);
    if(fl_pth_lcl) fl_pth_lcl=(char *)nco_free(fl_pth_lcl);
    if(in_id_1_arr) in_id_1_arr=(int *)nco_free(in_id_1_arr);
    if(in_id_2_arr) in_id_2_arr=(int *)nco_free(in_id_2_arr);
    /* Free lists of strings */
    if(fl_lst_in && fl_lst_abb == NULL) fl_lst_in=nco_sng_lst_free(fl_lst_in,fl_nbr); 
    if(fl_lst_in && fl_lst_abb) fl_lst_in=nco_sng_lst_free(fl_lst_in,1);
    if(fl_lst_abb) fl_lst_abb=nco_sng_lst_free(fl_lst_abb,abb_arg_nbr);
    if(var_lst_in_nbr > 0) var_lst_in=nco_sng_lst_free(var_lst_in,var_lst_in_nbr);
    /* Free limits */
    for(idx=0;idx<aux_nbr;idx++) aux_arg[idx]=(char *)nco_free(aux_arg[idx]);
    for(idx=0;idx<lmt_nbr;idx++) lmt_arg[idx]=(char *)nco_free(lmt_arg[idx]);
    for(idx=0;idx<ppc_nbr;idx++) ppc_arg[idx]=(char *)nco_free(ppc_arg[idx]);
    /* Free chunking information */
    for(idx=0;idx<cnk_nbr;idx++) cnk_arg[idx]=(char *)nco_free(cnk_arg[idx]);
    if(cnk_nbr > 0) cnk.cnk_dmn=(cnk_dmn_sct **)nco_cnk_lst_free(cnk.cnk_dmn,cnk_nbr);
    var=(var_sct **)nco_free(var);
    var_out=(var_sct **)nco_free(var_out);
    var_prc_out=(var_sct **)nco_free(var_prc_out);
    if(nbr_var_fix > 0) var_fix=nco_var_lst_free(var_fix,nbr_var_fix);
    if(nbr_var_fix > 0) var_fix_out=nco_var_lst_free(var_fix_out,nbr_var_fix);
    trv_tbl_free(trv_tbl); 
    for(idx=0;idx<lmt_nbr;idx++) flg_dne[idx].dim_nm=(char *)nco_free(flg_dne[idx].dim_nm);
    if(flg_dne) flg_dne=(nco_dmn_dne_t *)nco_free(flg_dne);
    if(gpe) gpe=(gpe_sct *)nco_gpe_free(gpe);
  } /* !flg_cln */

#ifdef ENABLE_MPI
  MPI_Finalize();
#endif /* !ENABLE_MPI */
  
  /* End timer */ 
  ddra_info.tmr_flg=nco_tmr_end; /* [enm] Timer flag */
  rcd+=nco_ddra((char *)NULL,(char *)NULL,&ddra_info);
  if(rcd != NC_NOERR) nco_err_exit(rcd,"main");

  nco_exit_gracefully();
  return EXIT_SUCCESS;
} /* end main() */
示例#6
0
文件: mpncecat.c 项目: jsta/nco
int 
main(int argc,char **argv)
{
  char **fl_lst_abb=NULL; /* Option a */
  char **fl_lst_in;
  char **gaa_arg=NULL; /* [sng] Global attribute arguments */
  char **var_lst_in=NULL_CEWI;
  char *aux_arg[NC_MAX_DIMS];
  char *cmd_ln;
  char *cnk_arg[NC_MAX_DIMS];
  char *cnk_map_sng=NULL_CEWI; /* [sng] Chunking map */
  char *cnk_plc_sng=NULL_CEWI; /* [sng] Chunking policy */
  char *fl_in=NULL;
  char *fl_out=NULL; /* Option o */
  char *fl_out_tmp=NULL; /* MPI CEWI */
  char *fl_pth=NULL; /* Option p */
  char *fl_pth_lcl=NULL; /* Option l */
  char *lmt_arg[NC_MAX_DIMS];
  char *opt_crr=NULL; /* [sng] String representation of current long-option name */
  char *optarg_lcl=NULL; /* [sng] Local copy of system optarg */
  char *rec_dmn_nm=NULL; /* [sng] New record dimension name */
  
  char *sng_cnv_rcd=NULL_CEWI; /* [sng] strtol()/strtoul() return code */

  const char * const CVS_Id="$Id$"; 
  const char * const CVS_Revision="$Revision$";
  const char * const opt_sht_lst="3467ACcD:d:FHhL:l:n:Oo:p:rRSt:u:v:X:x-:";
  
  cnk_dmn_sct **cnk_dmn=NULL_CEWI;

  dmn_sct *rec_dmn;
  dmn_sct **dim;
  dmn_sct **dmn_out;
  
  extern char *optarg;
  extern int optind;
  
  /* Using naked stdin/stdout/stderr in parallel region generates warning
     Copy appropriate filehandle to variable scoped shared in parallel clause */
  FILE * const fp_stderr=stderr; /* [fl] stderr filehandle CEWI */
  FILE * const fp_stdout=stdout; /* [fl] stdout filehandle CEWI */
  
  int *in_id_arr;
  
  int abb_arg_nbr=0;
  int aux_nbr=0; /* [nbr] Number of auxiliary coordinate hyperslabs specified */
  int cnk_map=nco_cnk_map_nil; /* [enm] Chunking map */
  int cnk_nbr=0; /* [nbr] Number of chunk sizes */
  int cnk_plc=nco_cnk_plc_nil; /* [enm] Chunking policy */
  int dfl_lvl=NCO_DFL_LVL_UNDEFINED; /* [enm] Deflate level */
  int fl_idx;
  int fl_nbr=0;
  int fl_in_fmt; /* [enm] Input file format */
  int fl_out_fmt=NCO_FORMAT_UNDEFINED; /* [enm] Output file format */
  int fll_md_old; /* [enm] Old fill mode */
  int gaa_nbr=0; /* [nbr] Number of global attributes to add */
  int idx;
  int jdx;
  int in_id;  
  int lmt_nbr=0; /* Option d. NB: lmt_nbr gets incremented */
  int md_open; /* [enm] Mode flag for nc_open() call */
  int nbr_dmn_fl;
  int nbr_dmn_xtr;
  int nbr_var_fix; /* nbr_var_fix gets incremented */
  int nbr_var_fl;
  int nbr_var_prc; /* nbr_var_prc gets incremented */
  int xtr_nbr=0; /* xtr_nbr won't otherwise be set for -c with no -v */
  int opt;
  int out_id;
  int rcd=NC_NOERR; /* [rcd] Return code */
  int rec_dmn_id=NCO_REC_DMN_UNDEFINED;
  int thr_idx; /* [idx] Index of current thread */
  int thr_nbr=int_CEWI; /* [nbr] Thread number Option t */
  int var_lst_in_nbr=0;
  
  lmt_sct **aux=NULL_CEWI; /* Auxiliary coordinate limits */
  lmt_sct **lmt;
  lmt_all_sct **lmt_all_lst; /* List of *lmt_all structures */
  
  long idx_rec_out=0L; /* idx_rec_out gets incremented */
  
  nco_bool CNV_CCM_CCSM_CF;
  nco_bool EXCLUDE_INPUT_LIST=False; /* Option c */
  nco_bool EXTRACT_ALL_COORDINATES=False; /* Option c */
  nco_bool EXTRACT_ASSOCIATED_COORDINATES=True; /* Option C */
  nco_bool FL_RTR_RMT_LCN;
  nco_bool FL_LST_IN_APPEND=True; /* Option H */
  nco_bool FL_LST_IN_FROM_STDIN=False; /* [flg] fl_lst_in comes from stdin */
  nco_bool FORCE_APPEND=False; /* Option A */
  nco_bool FORCE_OVERWRITE=False; /* Option O */
  nco_bool FORTRAN_IDX_CNV=False; /* Option F */
  nco_bool HISTORY_APPEND=True; /* Option h */
  nco_bool MSA_USR_RDR=False; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
  nco_bool RAM_CREATE=False; /* [flg] Create file in RAM */
  nco_bool RAM_OPEN=False; /* [flg] Open (netCDF3-only) file(s) in RAM */
  nco_bool RM_RMT_FL_PST_PRC=True; /* Option R */
  nco_bool WRT_TMP_FL=True; /* [flg] Write output to temporary file */
  nco_bool flg_cln=False; /* [flg] Clean memory prior to exit */
  
  nm_id_sct *dmn_lst;
  nm_id_sct *xtr_lst=NULL; /* xtr_lst may be alloc()'d from NULL with -c option */
  
  size_t bfr_sz_hnt=NC_SIZEHINT_DEFAULT; /* [B] Buffer size hint */
  size_t cnk_min_byt=NCO_CNK_SZ_MIN_BYT_DFL; /* [B] Minimize size of variable to chunk */
  size_t cnk_sz_byt=0UL; /* [B] Chunk size in bytes */
  size_t cnk_sz_scl=0UL; /* [nbr] Chunk size scalar */
  size_t hdr_pad=0UL; /* [B] Pad at end of header section */
  
  var_sct **var;
  var_sct **var_fix;
  var_sct **var_fix_out;
  var_sct **var_out;
  var_sct **var_prc;
  var_sct **var_prc_out;
  
#ifdef ENABLE_MPI
  /* Declare all MPI-specific variables here */
  MPI_Comm mpi_cmm=MPI_COMM_WORLD; /* [prc] Communicator */
  MPI_Info mpi_nfo=MPI_INFO_NULL; /* [sct] File geometry hints */
  MPI_Status mpi_stt; /* [enm] Status check to decode msg_tag_typ */
  
  nco_bool TKN_WRT_FREE=True; /* [flg] Write-access to output file is available */
  
  int fl_nm_lng; /* [nbr] Output file name length */
  int msg_bfr[msg_bfr_lng]; /* [bfr] Buffer containing var, idx, tkn_wrt_rsp */
  int msg_tag_typ; /* [enm] MPI message tag type */
  int prc_rnk; /* [idx] Process rank */
  int prc_nbr=0; /* [nbr] Number of MPI processes */
  int tkn_wrt_rsp; /* [enm] Response to request for write token */
  int var_wrt_nbr=0; /* [nbr] Variables written to output file until now */
  int rnk_wrk; /* [idx] Worker rank */
  int wrk_id_bfr[wrk_id_bfr_lng]; /* [bfr] Buffer for rnk_wrk */
#endif /* !ENABLE_MPI */
  
  static struct option opt_lng[]={ /* Structure ordered by short option key if possible */
    /* Long options with no argument, no short option counterpart */
    {"cln",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"clean",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"mmr_cln",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"drt",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"dirty",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"mmr_drt",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"msa_usr_rdr",no_argument,0,0}, /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
    {"msa_user_order",no_argument,0,0}, /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
    {"ram_all",no_argument,0,0}, /* [flg] Open (netCDF3) and create file(s) in RAM */
    {"create_ram",no_argument,0,0}, /* [flg] Create file in RAM */
    {"open_ram",no_argument,0,0}, /* [flg] Open (netCDF3) file(s) in RAM */
    {"diskless_all",no_argument,0,0}, /* [flg] Open (netCDF3) and create file(s) in RAM */
    {"wrt_tmp_fl",no_argument,0,0}, /* [flg] Write output to temporary file */
    {"write_tmp_fl",no_argument,0,0}, /* [flg] Write output to temporary file */
    {"no_tmp_fl",no_argument,0,0}, /* [flg] Do not write output to temporary file */
    {"version",no_argument,0,0},
    {"vrs",no_argument,0,0},
    /* Long options with argument, no short option counterpart */
    {"bfr_sz_hnt",required_argument,0,0}, /* [B] Buffer size hint */
    {"buffer_size_hint",required_argument,0,0}, /* [B] Buffer size hint */
    {"cnk_byt",required_argument,0,0}, /* [B] Chunk size in bytes */
    {"chunk_byte",required_argument,0,0}, /* [B] Chunk size in bytes */
    {"cnk_dmn",required_argument,0,0}, /* [nbr] Chunk size */
    {"chunk_dimension",required_argument,0,0}, /* [nbr] Chunk size */
    {"cnk_map",required_argument,0,0}, /* [nbr] Chunking map */
    {"chunk_map",required_argument,0,0}, /* [nbr] Chunking map */
    {"cnk_min",required_argument,0,0}, /* [B] Minimize size of variable to chunk */
    {"chunk_min",required_argument,0,0}, /* [B] Minimize size of variable to chunk */
    {"cnk_plc",required_argument,0,0}, /* [nbr] Chunking policy */
    {"chunk_policy",required_argument,0,0}, /* [nbr] Chunking policy */
    {"cnk_scl",required_argument,0,0}, /* [nbr] Chunk size scalar */
    {"chunk_scalar",required_argument,0,0}, /* [nbr] Chunk size scalar */
    {"fl_fmt",required_argument,0,0},
    {"file_format",required_argument,0,0},
    {"gaa",required_argument,0,0}, /* [sng] Global attribute add */
    {"glb_att_add",required_argument,0,0}, /* [sng] Global attribute add */
    {"hdr_pad",required_argument,0,0},
    {"header_pad",required_argument,0,0},
    /* Long options with short counterparts */
    {"3",no_argument,0,'3'},
    {"4",no_argument,0,'4'},
    {"64bit",no_argument,0,'4'},
    {"netcdf4",no_argument,0,'4'},
    {"7",no_argument,0,'7'},
    {"append",no_argument,0,'A'},
    {"coords",no_argument,0,'c'},
    {"crd",no_argument,0,'c'},
    {"no-coords",no_argument,0,'C'},
    {"no-crd",no_argument,0,'C'},
    {"debug",required_argument,0,'D'},
    {"nco_dbg_lvl",required_argument,0,'D'},
    {"dimension",required_argument,0,'d'},
    {"dmn",required_argument,0,'d'},
    {"fortran",no_argument,0,'F'},
    {"ftn",no_argument,0,'F'},
    {"fl_lst_in",no_argument,0,'H'},
    {"file_list",no_argument,0,'H'},
    {"history",no_argument,0,'h'},
    {"hst",no_argument,0,'h'},
    {"dfl_lvl",required_argument,0,'L'}, /* [enm] Deflate level */
    {"deflate",required_argument,0,'L'}, /* [enm] Deflate level */
    {"local",required_argument,0,'l'},
    {"lcl",required_argument,0,'l'},
    {"nintap",required_argument,0,'n'},
    {"overwrite",no_argument,0,'O'},
    {"ovr",no_argument,0,'O'},
    {"output",required_argument,0,'o'},
    {"fl_out",required_argument,0,'o'},
    {"path",required_argument,0,'p'},
    {"retain",no_argument,0,'R'},
    {"rtn",no_argument,0,'R'},
    {"revision",no_argument,0,'r'},
    {"suspend", no_argument,0,'S'},
    {"thr_nbr",required_argument,0,'t'},
    {"threads",required_argument,0,'t'},
    {"omp_num_threads",required_argument,0,'t'},
    {"ulm_nm",required_argument,0,'u'},
    {"rcd_nm",required_argument,0,'u'},
    {"variable",required_argument,0,'v'},
    {"auxiliary",required_argument,0,'X'},
    {"exclude",no_argument,0,'x'},
    {"xcl",no_argument,0,'x'},
    {"help",no_argument,0,'?'},
    {"hlp",no_argument,0,'?'},
    {0,0,0,0}
  }; /* end opt_lng */
  int opt_idx=0; /* Index of current long option into opt_lng array */
  
#ifdef ENABLE_MPI
  /* MPI Initialization */
  MPI_Init(&argc,&argv);
  MPI_Comm_size(mpi_cmm,&prc_nbr);
  MPI_Comm_rank(mpi_cmm,&prc_rnk);
#endif /* !ENABLE_MPI */
  
  /* Start clock and save command line */ 
  cmd_ln=nco_cmd_ln_sng(argc,argv);
  
  /* Get program name and set program enum (e.g., nco_prg_id=ncra) */
  nco_prg_nm=nco_prg_prs(argv[0],&nco_prg_id);
  
  /* Parse command line arguments */
  while(1){
    /* getopt_long_only() allows one dash to prefix long options */
    opt=getopt_long(argc,argv,opt_sht_lst,opt_lng,&opt_idx);
    /* NB: access to opt_crr is only valid when long_opt is detected */
    if(opt == EOF) break; /* Parse positional arguments once getopt_long() returns EOF */
    opt_crr=(char *)strdup(opt_lng[opt_idx].name);
    
    /* Process long options without short option counterparts */
    if(opt == 0){
      if(!strcmp(opt_crr,"bfr_sz_hnt") || !strcmp(opt_crr,"buffer_size_hint")){
	bfr_sz_hnt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
	if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_byt") || !strcmp(opt_crr,"chunk_byte")){
        cnk_sz_byt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk_byt */
      if(!strcmp(opt_crr,"cnk_min") || !strcmp(opt_crr,"chunk_min")){
        cnk_min_byt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk_min */
      if(!strcmp(opt_crr,"cnk_dmn") || !strcmp(opt_crr,"chunk_dimension")){
	/* Copy limit argument for later processing */
	cnk_arg[cnk_nbr]=(char *)strdup(optarg);
	cnk_nbr++;
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_scl") || !strcmp(opt_crr,"chunk_scalar")){
	cnk_sz_scl=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
	if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_map") || !strcmp(opt_crr,"chunk_map")){
	/* Chunking map */
	cnk_map_sng=(char *)strdup(optarg);
	cnk_map=nco_cnk_map_get(cnk_map_sng);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_plc") || !strcmp(opt_crr,"chunk_policy")){
	/* Chunking policy */
	cnk_plc_sng=(char *)strdup(optarg);
	cnk_plc=nco_cnk_plc_get(cnk_plc_sng);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cln") || !strcmp(opt_crr,"mmr_cln") || !strcmp(opt_crr,"clean")) flg_cln=True; /* [flg] Clean memory prior to exit */
      if(!strcmp(opt_crr,"drt") || !strcmp(opt_crr,"mmr_drt") || !strcmp(opt_crr,"dirty")) flg_cln=False; /* [flg] Clean memory prior to exit */
      if(!strcmp(opt_crr,"fl_fmt") || !strcmp(opt_crr,"file_format")) rcd=nco_create_mode_prs(optarg,&fl_out_fmt);
      if(!strcmp(opt_crr,"gaa") || !strcmp(opt_crr,"glb_att_add")){
        gaa_arg=(char **)nco_realloc(gaa_arg,(gaa_nbr+1)*sizeof(char *));
        gaa_arg[gaa_nbr++]=(char *)strdup(optarg);
      } /* endif gaa */
      if(!strcmp(opt_crr,"hdr_pad") || !strcmp(opt_crr,"header_pad")){
        hdr_pad=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif "hdr_pad" */
      if(!strcmp(opt_crr,"msa_usr_rdr") || !strcmp(opt_crr,"msa_user_order")) MSA_USR_RDR=True; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
      if(!strcmp(opt_crr,"ram_all") || !strcmp(opt_crr,"create_ram") || !strcmp(opt_crr,"diskless_all")) RAM_CREATE=True; /* [flg] Open (netCDF3) file(s) in RAM */
      if(!strcmp(opt_crr,"ram_all") || !strcmp(opt_crr,"open_ram") || !strcmp(opt_crr,"diskless_all")) RAM_OPEN=True; /* [flg] Create file in RAM */
      if(!strcmp(opt_crr,"vrs") || !strcmp(opt_crr,"version")){
	(void)nco_vrs_prn(CVS_Id,CVS_Revision);
	nco_exit(EXIT_SUCCESS);
      } /* endif "vrs" */
      if(!strcmp(opt_crr,"wrt_tmp_fl") || !strcmp(opt_crr,"write_tmp_fl")) WRT_TMP_FL=True;
      if(!strcmp(opt_crr,"no_tmp_fl")) WRT_TMP_FL=False;
    } /* opt != 0 */
    /* Process short options */
    switch(opt){
    case 0: /* Long options have already been processed, return */
      break;
    case '3': /* Request netCDF3 output storage format */
      fl_out_fmt=NC_FORMAT_CLASSIC;
      break;
    case '4': /* Catch-all to prescribe output storage format */
      if(!strcmp(opt_crr,"64bit")) fl_out_fmt=NC_FORMAT_64BIT; else fl_out_fmt=NC_FORMAT_NETCDF4; 
      break;
    case '6': /* Request netCDF3 64-bit offset output storage format */
      fl_out_fmt=NC_FORMAT_64BIT;
      break;
    case '7': /* Request netCDF4-classic output storage format */
      fl_out_fmt=NC_FORMAT_NETCDF4_CLASSIC;
      break;
    case 'A': /* Toggle FORCE_APPEND */
      FORCE_APPEND=!FORCE_APPEND;
      break;
    case 'C': /* Extract all coordinates associated with extracted variables? */
      EXTRACT_ASSOCIATED_COORDINATES=False;
      break;
    case 'c':
      EXTRACT_ALL_COORDINATES=True;
      break;
    case 'D': /* Debugging level. Default is 0. */
      nco_dbg_lvl=(unsigned short int)strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      nc_set_log_level(nco_dbg_lvl);
      break;
    case 'd': /* Copy limit argument for later processing */
      lmt_arg[lmt_nbr]=(char *)strdup(optarg);
      lmt_nbr++;
      break;
    case 'F': /* Toggle index convention. Default is 0-based arrays (C-style). */
      FORTRAN_IDX_CNV=!FORTRAN_IDX_CNV;
      break;
    case 'H': /* Toggle writing input file list attribute */
      FL_LST_IN_APPEND=!FL_LST_IN_APPEND;
      break;
    case 'h': /* Toggle appending to history global attribute */
      HISTORY_APPEND=!HISTORY_APPEND;
      break;
    case 'L': /* [enm] Deflate level. Default is 0. */
      dfl_lvl=(int)strtol(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtol",sng_cnv_rcd);
      break;
    case 'l': /* Local path prefix for files retrieved from remote file system */
      fl_pth_lcl=(char *)strdup(optarg);
      break;
    case 'n': /* NINTAP-style abbreviation of files to process */
      fl_lst_abb=nco_lst_prs_2D(optarg,",",&abb_arg_nbr);
      if(abb_arg_nbr < 1 || abb_arg_nbr > 6){
	(void)fprintf(stdout,"%s: ERROR Incorrect abbreviation for file list\n",nco_prg_nm);
	(void)nco_usg_prn();
	nco_exit(EXIT_FAILURE);
      } /* end if */
      break;
    case 'O': /* Toggle FORCE_OVERWRITE */
      FORCE_OVERWRITE=!FORCE_OVERWRITE;
      break;
    case 'o': /* Name of output file */
      fl_out=(char *)strdup(optarg);
      break;
    case 'p': /* Common file path */
      fl_pth=(char *)strdup(optarg);
      break;
    case 'R': /* Toggle removal of remotely-retrieved-files. Default is True. */
      RM_RMT_FL_PST_PRC=!RM_RMT_FL_PST_PRC;
      break;
    case 'r': /* Print CVS program information and copyright notice */
      (void)nco_vrs_prn(CVS_Id,CVS_Revision);
      (void)nco_lbr_vrs_prn();
      (void)nco_cpy_prn();
      (void)nco_cnf_prn();
      nco_exit(EXIT_SUCCESS);
      break;
#ifdef ENABLE_MPI
    case 'S': /* Suspend with signal handler to facilitate debugging */
      if(signal(SIGUSR1,nco_cnt_run) == SIG_ERR) (void)fprintf(fp_stdout,"%s: ERROR Could not install suspend handler.\n",nco_prg_nm);
      while(!nco_spn_lck_brk) usleep(nco_spn_lck_us); /* Spinlock. fxm: should probably insert a sched_yield */
      break;
#endif /* !ENABLE_MPI */
    case 't': /* Thread number */
      thr_nbr=(int)strtol(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtol",sng_cnv_rcd);
      break;
    case 'u': /* New record dimension name */
      rec_dmn_nm=(char *)strdup(optarg);
      break;
    case 'v': /* Variables to extract/exclude */
      /* Replace commas with hashes when within braces (convert back later) */
      optarg_lcl=(char *)strdup(optarg);
      (void)nco_rx_comma2hash(optarg_lcl);
      var_lst_in=nco_lst_prs_2D(optarg_lcl,",",&var_lst_in_nbr);
      optarg_lcl=(char *)nco_free(optarg_lcl);
      xtr_nbr=var_lst_in_nbr;
      break;
    case 'X': /* Copy auxiliary coordinate argument for later processing */
      aux_arg[aux_nbr]=(char *)strdup(optarg);
      aux_nbr++;
      MSA_USR_RDR=True; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */      
      break;
    case 'x': /* Exclude rather than extract variables specified with -v */
      EXCLUDE_INPUT_LIST=True;
      break;
    case '?': /* Print proper usage */
      (void)nco_usg_prn();
      nco_exit(EXIT_SUCCESS);
      break;
    case '-': /* Long options are not allowed */
      (void)fprintf(stderr,"%s: ERROR Long options are not available in this build. Use single letter options instead.\n",nco_prg_nm_get());
      nco_exit(EXIT_FAILURE);
      break;
    default: /* Print proper usage */
      (void)fprintf(stdout,"%s ERROR in command-line syntax/options. Please reformulate command accordingly.\n",nco_prg_nm_get());
      (void)nco_usg_prn();
      nco_exit(EXIT_FAILURE);
      break;
    } /* end switch */
    if(opt_crr) opt_crr=(char *)nco_free(opt_crr);
  } /* end while loop */
  
  /* Process positional arguments and fill in filenames */
  fl_lst_in=nco_fl_lst_mk(argv,argc,optind,&fl_nbr,&fl_out,&FL_LST_IN_FROM_STDIN);
  
  /* Make uniform list of user-specified chunksizes */
  if(cnk_nbr > 0) cnk_dmn=nco_cnk_prs(cnk_nbr,cnk_arg);
  
  /* Make uniform list of user-specified dimension limits */
  lmt=nco_lmt_prs(lmt_nbr,lmt_arg);
  
  /* Initialize thread information */
  thr_nbr=nco_openmp_ini(thr_nbr);
  in_id_arr=(int *)nco_malloc(thr_nbr*sizeof(int));
  
  /* Parse filename */
  fl_in=nco_fl_nm_prs(fl_in,0,&fl_nbr,fl_lst_in,abb_arg_nbr,fl_lst_abb,fl_pth);
  /* Make sure file is on local system and is readable or die trying */
  fl_in=nco_fl_mk_lcl(fl_in,fl_pth_lcl,&FL_RTR_RMT_LCN);
  /* Open file using appropriate buffer size hints and verbosity */
  if(RAM_OPEN) md_open=NC_NOWRITE|NC_DISKLESS; else md_open=NC_NOWRITE;
  rcd+=nco_fl_open(fl_in,md_open,&bfr_sz_hnt,&in_id);
  
  /* Parse auxiliary coordinates */
  if(aux_nbr > 0){
     int aux_idx_nbr;
     aux=nco_aux_evl(in_id,aux_nbr,aux_arg,&aux_idx_nbr);
     if(aux_idx_nbr > 0){
        lmt=(lmt_sct **)nco_realloc(lmt,(lmt_nbr+aux_idx_nbr)*sizeof(lmt_sct *));
        int lmt_nbr_new=lmt_nbr+aux_idx_nbr;
        int aux_idx=0;
        for(int lmt_idx=lmt_nbr;lmt_idx<lmt_nbr_new;lmt_idx++) lmt[lmt_idx]=aux[aux_idx++];
        lmt_nbr=lmt_nbr_new;
     } /* endif aux */
  } /* endif aux_nbr */
  
  /* Get number of variables, dimensions, and record dimension ID of input file */
  (void)nco_inq(in_id,&nbr_dmn_fl,&nbr_var_fl,(int *)NULL,&rec_dmn_id);
  (void)nco_inq_format(in_id,&fl_in_fmt);
  
  /* Form initial extraction list which may include extended regular expressions */
  xtr_lst=nco_var_lst_mk(in_id,nbr_var_fl,var_lst_in,EXCLUDE_INPUT_LIST,EXTRACT_ALL_COORDINATES,&xtr_nbr);
  
  /* Change included variables to excluded variables */
  if(EXCLUDE_INPUT_LIST) xtr_lst=nco_var_lst_xcl(in_id,nbr_var_fl,xtr_lst,&xtr_nbr);
  
  /* Is this a CCM/CCSM/CF-format history tape? */
  CNV_CCM_CCSM_CF=nco_cnv_ccm_ccsm_cf_inq(in_id);
  
  /* Add all coordinate variables to extraction list */
  if(EXTRACT_ALL_COORDINATES) xtr_lst=nco_var_lst_crd_add(in_id,nbr_dmn_fl,nbr_var_fl,xtr_lst,&xtr_nbr,CNV_CCM_CCSM_CF);
  
  /* Extract coordinates associated with extracted variables */
  if(EXTRACT_ASSOCIATED_COORDINATES) xtr_lst=nco_var_lst_crd_ass_add(in_id,xtr_lst,&xtr_nbr,CNV_CCM_CCSM_CF);
  
  /* Sort extraction list by variable ID for fastest I/O */
  if(xtr_nbr > 1) xtr_lst=nco_lst_srt_nm_id(xtr_lst,xtr_nbr,False);
  
  /* We now have final list of variables to extract. Phew. */
  
  /* Find coordinate/dimension values associated with user-specified limits
     NB: nco_lmt_evl() with same nc_id contains OpenMP critical region */
  for(idx=0;idx<lmt_nbr;idx++) (void)nco_lmt_evl(in_id,lmt[idx],0L,FORTRAN_IDX_CNV);
  
  /* Place all dimensions in lmt_all_lst */
  lmt_all_lst=(lmt_all_sct **)nco_malloc(nbr_dmn_fl*sizeof(lmt_all_sct *));
  /* Initialize lmt_all_sct's */ 
  (void)nco_msa_lmt_all_ntl(in_id,MSA_USR_RDR,lmt_all_lst,nbr_dmn_fl,lmt,lmt_nbr);
  
  /* Find dimensions associated with variables to be extracted */
  dmn_lst=nco_dmn_lst_ass_var(in_id,xtr_lst,xtr_nbr,&nbr_dmn_xtr);
  
  /* Fill-in dimension structure for all extracted dimensions */
  dim=(dmn_sct **)nco_malloc(nbr_dmn_xtr*sizeof(dmn_sct *));
  for(idx=0;idx<nbr_dmn_xtr;idx++) dim[idx]=nco_dmn_fll(in_id,dmn_lst[idx].id,dmn_lst[idx].nm);
  /* Dimension list no longer needed */
  dmn_lst=nco_nm_id_lst_free(dmn_lst,nbr_dmn_xtr);
  
  /* Merge hyperslab limit information into dimension structures */
  if(lmt_nbr > 0) (void)nco_dmn_lmt_mrg(dim,nbr_dmn_xtr,lmt,lmt_nbr);
  
  /* Duplicate input dimension structures for output dimension structures */
  dmn_out=(dmn_sct **)nco_malloc(nbr_dmn_xtr*sizeof(dmn_sct *));
  for(idx=0;idx<nbr_dmn_xtr;idx++){
    dmn_out[idx]=nco_dmn_dpl(dim[idx]);
    (void)nco_dmn_xrf(dim[idx],dmn_out[idx]); 
  } /* end loop over idx */
  
  /* Fill-in variable structure list for all extracted variables */
  var=(var_sct **)nco_malloc(xtr_nbr*sizeof(var_sct *));
  var_out=(var_sct **)nco_malloc(xtr_nbr*sizeof(var_sct *));
  for(idx=0;idx<xtr_nbr;idx++){
    var[idx]=nco_var_fll(in_id,xtr_lst[idx].id,xtr_lst[idx].nm,dim,nbr_dmn_xtr);
    var_out[idx]=nco_var_dpl(var[idx]);
    (void)nco_xrf_var(var[idx],var_out[idx]);
    (void)nco_xrf_dmn(var_out[idx]);
  } /* end loop over idx */
  /* Extraction list no longer needed */
  xtr_lst=nco_nm_id_lst_free(xtr_lst,xtr_nbr);
  
  /* Divide variable lists into lists of fixed variables and variables to be processed */
  (void)nco_var_lst_dvd(var,var_out,xtr_nbr,CNV_CCM_CCSM_CF,True,nco_pck_plc_nil,nco_pck_map_nil,(dmn_sct **)NULL,0,&var_fix,&var_fix_out,&nbr_var_fix,&var_prc,&var_prc_out,&nbr_var_prc);
  
#ifdef ENABLE_MPI
  if(prc_rnk == rnk_mgr){ /* MPI manager code */
#endif /* !ENABLE_MPI */
    /* Make output and input files consanguinous */
    if(fl_out_fmt == NCO_FORMAT_UNDEFINED) fl_out_fmt=fl_in_fmt;
    
    /* Verify output file format supports requested actions */
    (void)nco_fl_fmt_vet(fl_out_fmt,cnk_nbr,dfl_lvl);
    
    /* Open output file */
    fl_out_tmp=nco_fl_out_open(fl_out,FORCE_APPEND,FORCE_OVERWRITE,fl_out_fmt,&bfr_sz_hnt,RAM_CREATE,RAM_OPEN,WRT_TMP_FL,&out_id);
    
    /* Copy global attributes */
    (void)nco_att_cpy(in_id,out_id,NC_GLOBAL,NC_GLOBAL,(nco_bool)True);
    
    /* Catenate time-stamped command line to "history" global attribute */
    if(HISTORY_APPEND) (void)nco_hst_att_cat(out_id,cmd_ln);
    if(HISTORY_APPEND && FORCE_APPEND) (void)nco_prv_att_cat(fl_in,in_id,out_id);
    if(gaa_nbr > 0) (void)nco_glb_att_add(out_id,gaa_arg,gaa_nbr);
    if(HISTORY_APPEND) (void)nco_vrs_att_cat(out_id);
    
    if(thr_nbr > 0 && HISTORY_APPEND) (void)nco_thr_att_cat(out_id,thr_nbr);
    
#ifdef ENABLE_MPI
    /* Initialize MPI task information */
    if(prc_nbr > 0 && HISTORY_APPEND) (void)nco_mpi_att_cat(out_id,prc_nbr);
#endif /* !ENABLE_MPI */
    
    /* Add input file list global attribute */
    if(FL_LST_IN_APPEND  && HISTORY_APPEND && FL_LST_IN_FROM_STDIN) (void)nco_fl_lst_att_cat(out_id,fl_lst_in,fl_nbr);
    
#ifdef ENABLE_MPI
  } /* prc_rnk != rnk_mgr */
#endif /* !ENABLE_MPI */
  
  /* ncecat-specific operations */
  if(True){
    
    /* Always construct new "record" dimension from scratch */
    rec_dmn=(dmn_sct *)nco_malloc(sizeof(dmn_sct));
    if(rec_dmn_nm == NULL) rec_dmn->nm=rec_dmn_nm=(char *)strdup("record"); else rec_dmn->nm=rec_dmn_nm;
    rec_dmn->id=-1;
    rec_dmn->nc_id=-1;
    rec_dmn->xrf=NULL;
    rec_dmn->val.vp=NULL;
    rec_dmn->is_crd_dmn=False;
    rec_dmn->is_rec_dmn=True;
    rec_dmn->sz=0L;
    rec_dmn->cnt=0L;
    rec_dmn->srd=0L;
    rec_dmn->srt=0L;
    rec_dmn->end=rec_dmn->sz-1L;
    
    /* Change existing record dimension, if any, to regular dimension */
    for(idx=0;idx<nbr_dmn_xtr;idx++){
      /* Is any input dimension a record dimension? */
      if(dmn_out[idx]->is_rec_dmn){
	dmn_out[idx]->is_rec_dmn=False;
	break;
      } /* end if */
    } /* end loop over idx */
    
    /* Add record dimension to end of dimension list */
    nbr_dmn_xtr++;
    dmn_out=(dmn_sct **)nco_realloc(dmn_out,nbr_dmn_xtr*sizeof(dmn_sct **));
    dmn_out[nbr_dmn_xtr-1]=rec_dmn;
    
  } /* end if */
  
#ifdef ENABLE_MPI
  if(prc_rnk == rnk_mgr){ /* MPI manager code */
#endif /* !ENABLE_MPI */
    /* Define dimensions in output file */
    (void)nco_dmn_dfn(fl_out,out_id,dmn_out,nbr_dmn_xtr);
#ifdef ENABLE_MPI
  } /* prc_rnk != rnk_mgr */
#endif /* !ENABLE_MPI */
  
  if(True){
    /* Prepend record dimension to beginning of all vectors for processed variables */
    for(idx=0;idx<nbr_var_prc;idx++){
      var_prc_out[idx]->nbr_dim++;
      var_prc_out[idx]->is_rec_var=True;
      var_prc_out[idx]->sz_rec=var_prc_out[idx]->sz;
      
      /* Allocate space to hold dimension IDs */
      var_prc_out[idx]->dim=(dmn_sct **)nco_realloc(var_prc_out[idx]->dim,var_prc_out[idx]->nbr_dim*sizeof(dmn_sct *));
      var_prc_out[idx]->dmn_id=(int *)nco_realloc(var_prc_out[idx]->dmn_id,var_prc_out[idx]->nbr_dim*sizeof(int));
      var_prc_out[idx]->cnt=(long *)nco_realloc(var_prc_out[idx]->cnt,var_prc_out[idx]->nbr_dim*sizeof(long int));
      var_prc_out[idx]->end=(long *)nco_realloc(var_prc_out[idx]->end,var_prc_out[idx]->nbr_dim*sizeof(long int));
      var_prc_out[idx]->srd=(long *)nco_realloc(var_prc_out[idx]->srd,var_prc_out[idx]->nbr_dim*sizeof(long int));
      var_prc_out[idx]->srt=(long *)nco_realloc(var_prc_out[idx]->srt,var_prc_out[idx]->nbr_dim*sizeof(long int));
      
      /* Move current array by one to make room for new record dimension info */
      (void)memmove((void *)(var_prc_out[idx]->dim+1),(void *)(var_prc_out[idx]->dim),(var_prc_out[idx]->nbr_dim-1)*sizeof(dmn_sct *));
      (void)memmove((void *)(var_prc_out[idx]->dmn_id+1),(void *)(var_prc_out[idx]->dmn_id),(var_prc_out[idx]->nbr_dim-1)*sizeof(int));
      (void)memmove((void *)(var_prc_out[idx]->cnt+1),(void *)(var_prc_out[idx]->cnt),(var_prc_out[idx]->nbr_dim-1)*sizeof(long int));
      (void)memmove((void *)(var_prc_out[idx]->end+1),(void *)(var_prc_out[idx]->end),(var_prc_out[idx]->nbr_dim-1)*sizeof(long int));
      (void)memmove((void *)(var_prc_out[idx]->srd+1),(void *)(var_prc_out[idx]->srd),(var_prc_out[idx]->nbr_dim-1)*sizeof(long int));
      (void)memmove((void *)(var_prc_out[idx]->srt+1),(void *)(var_prc_out[idx]->srt),(var_prc_out[idx]->nbr_dim-1)*sizeof(long int));
      
      /* Insert value for new record dimension */
      var_prc_out[idx]->dim[0]=rec_dmn;
      var_prc_out[idx]->dmn_id[0]=rec_dmn->id;
      var_prc_out[idx]->cnt[0]=1L;
      var_prc_out[idx]->end[0]=-1L;
      var_prc_out[idx]->srd[0]=-1L;
      var_prc_out[idx]->srt[0]=-1L;
      
    } /* end loop over idx */
    
  } /* end if */
  
#ifdef ENABLE_MPI
  if(prc_rnk == rnk_mgr){ /* MPI manager code */
#endif /* !ENABLE_MPI */
    /* Define variables in output file, copy their attributes */
    (void)nco_var_dfn(in_id,fl_out,out_id,var_out,xtr_nbr,(dmn_sct **)NULL,(int)0,nco_pck_plc_nil,nco_pck_map_nil,dfl_lvl);
#ifdef ENABLE_MPI
  } /* prc_rnk != rnk_mgr */
#endif /* !ENABLE_MPI */
  
  /* Assign zero to start and unity to stride vectors in output variables */
  (void)nco_var_srd_srt_set(var_out,xtr_nbr);
  
#ifdef ENABLE_MPI
  if(prc_rnk == rnk_mgr){ /* prc_rnk != rnk_mgr */
#endif /* !ENABLE_MPI */
    
    /* Set chunksize parameters */
    if(fl_out_fmt == NC_FORMAT_NETCDF4 || fl_out_fmt == NC_FORMAT_NETCDF4_CLASSIC) (void)nco_cnk_sz_set(out_id,lmt_all_lst,nbr_dmn_fl,&cnk_map,&cnk_plc,cnk_sz_scl,cnk_dmn,cnk_nbr);
    
    /* Turn-off default filling behavior to enhance efficiency */
    nco_set_fill(out_id,NC_NOFILL,&fll_md_old);
    
    /* Take output file out of define mode */
    if(hdr_pad == 0UL){
      (void)nco_enddef(out_id);
    }else{
      (void)nco__enddef(out_id,hdr_pad);
      if(nco_dbg_lvl >= nco_dbg_scl) (void)fprintf(stderr,"%s: INFO Padding header with %lu extra bytes\n",nco_prg_nm_get(),(unsigned long)hdr_pad);
    } /* hdr_pad */
    
#ifdef ENABLE_MPI
  } /* prc_rnk != rnk_mgr */
  
  /* Manager obtains output filename and broadcasts to workers */
  if(prc_rnk == rnk_mgr) fl_nm_lng=(int)strlen(fl_out_tmp);
  MPI_Bcast(&fl_nm_lng,1,MPI_INT,0,mpi_cmm);
  if(prc_rnk != rnk_mgr) fl_out_tmp=(char *)nco_malloc((fl_nm_lng+1)*sizeof(char));
  MPI_Bcast(fl_out_tmp,fl_nm_lng+1,MPI_CHAR,0,mpi_cmm);
  
  if(prc_rnk == rnk_mgr){ /* MPI manager code */
    TKN_WRT_FREE=False;
#endif /* !ENABLE_MPI */
    /* Copy variable data for non-processed variables */
    (void)nco_var_val_cpy(in_id,out_id,var_fix,nbr_var_fix);
#ifdef ENABLE_MPI
    /* Close output file so workers can open it */
    nco_close(out_id);
    TKN_WRT_FREE=True;
  } /* prc_rnk != rnk_mgr */
#endif /* !ENABLE_MPI */
  
  /* Close first input netCDF file */
  (void)nco_close(in_id);
  
  /* Loop over input files */
  for(fl_idx=0;fl_idx<fl_nbr;fl_idx++){
#ifdef ENABLE_MPI
    MPI_Barrier(mpi_cmm);
#endif /* !ENABLE_MPI */
    /* Parse filename */
    if(fl_idx != 0) fl_in=nco_fl_nm_prs(fl_in,fl_idx,(int *)NULL,fl_lst_in,abb_arg_nbr,fl_lst_abb,fl_pth);
    if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(fp_stderr,"\nInput file %d is %s; ",fl_idx,fl_in);
    /* Make sure file is on local system and is readable or die trying */
    if(fl_idx != 0) fl_in=nco_fl_mk_lcl(fl_in,fl_pth_lcl,&FL_RTR_RMT_LCN);
    if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(fp_stderr,"local file %s:\n",fl_in);
    
    /* Open file once per thread to improve caching */
    for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) rcd=nco_fl_open(fl_in,md_open,&bfr_sz_hnt,in_id_arr+thr_idx);
    
#if 0
    /* fxm: netCDF4: Change to independent variable reads? */
#ifdef ENABLE_NETCDF4
    rcd=nco_open_par(fl_in,NC_MPIIO|NC_NETCDF4,mpi_cmm,mpi_nfo,&in_id);
#endif /* !ENABLE_NETCDF4 */
#endif /* !0 */
    /* Perform various error-checks on input file */
    if(False) (void)nco_fl_cmp_err_chk();
    
#ifdef ENABLE_MPI
    if(prc_rnk == rnk_mgr){ /* MPI manager code */
      /* Compensate for incrementing on each worker's first message */
      var_wrt_nbr=-prc_nbr+1;
      idx=0;
      /* While variables remain to be processed or written... */
      while(var_wrt_nbr < nbr_var_prc){
	/* Receive message from any worker */
	MPI_Recv(wrk_id_bfr,wrk_id_bfr_lng,MPI_INT,MPI_ANY_SOURCE,MPI_ANY_TAG,mpi_cmm,&mpi_stt);
	/* Obtain MPI message tag type */
	msg_tag_typ=mpi_stt.MPI_TAG;
	/* Get sender's prc_rnk */
	rnk_wrk=wrk_id_bfr[0];
	
	/* Allocate next variable, if any, to worker */
	if(msg_tag_typ == msg_tag_wrk_rqs){
	  var_wrt_nbr++; /* [nbr] Number of variables written */
	  /* Worker closed output file before sending msg_tag_wrk_rqs */
	  TKN_WRT_FREE=True;
	  
	  if(idx > nbr_var_prc-1){
	    msg_bfr[0]=idx_all_wrk_ass; /* [enm] All variables already assigned */
	    msg_bfr[1]=out_id; /* Output file ID */
	  }else{
	    /* Tell requesting worker to allocate space for next variable */
	    msg_bfr[0]=idx; /* [idx] Variable to be processed */
	    msg_bfr[1]=out_id; /* Output file ID */
	    msg_bfr[2]=var_prc_out[idx]->id; /* [id] Variable ID in output file */
	    /* Point to next variable on list */
	    idx++;
	  } /* endif idx */
	  MPI_Send(msg_bfr,msg_bfr_lng,MPI_INT,rnk_wrk,msg_tag_wrk_rsp,mpi_cmm);
	  /* msg_tag_typ != msg_tag_wrk_rqs */
	}else if(msg_tag_typ == msg_tag_tkn_wrt_rqs){
	  /* Allocate token if free, else ask worker to try later */
	  if(TKN_WRT_FREE){
	    TKN_WRT_FREE=False;
	    msg_bfr[0]=tkn_wrt_rqs_xcp; /* Accept request for write token */
	  }else{
	    msg_bfr[0]=tkn_wrt_rqs_dny; /* Deny request for write token */
	  } /* !TKN_WRT_FREE */
	  MPI_Send(msg_bfr,msg_bfr_lng,MPI_INT,rnk_wrk,msg_tag_tkn_wrt_rsp,mpi_cmm);
	} /* msg_tag_typ != msg_tag_tkn_wrt_rqs */
      } /* end while var_wrt_nbr < nbr_var_prc */
    }else{ /* prc_rnk != rnk_mgr, end Manager code begin Worker code */
      wrk_id_bfr[0]=prc_rnk;
      while(1){ /* While work remains... */
	/* Send msg_tag_wrk_rqs */
	wrk_id_bfr[0]=prc_rnk;
	MPI_Send(wrk_id_bfr,wrk_id_bfr_lng,MPI_INT,rnk_mgr,msg_tag_wrk_rqs,mpi_cmm);
	/* Receive msg_tag_wrk_rsp */
	MPI_Recv(msg_bfr,msg_bfr_lng,MPI_INT,0,msg_tag_wrk_rsp,mpi_cmm,&mpi_stt);
	idx=msg_bfr[0];
	out_id=msg_bfr[1];
	if(idx == idx_all_wrk_ass) break;
	else{
	  var_prc_out[idx]->id=msg_bfr[2];
	  /* Process this variable same as UP code */
#else /* !ENABLE_MPI */
	  /* OpenMP with threading over variables, not files */
#ifdef _OPENMP
#pragma omp parallel for default(none) private(idx,in_id) shared(nco_dbg_lvl,fl_nbr,idx_rec_out,in_id_arr,nbr_var_prc,out_id,var_prc,var_prc_out,lmt_all_lst,nbr_dmn_fl,jdx)
#endif /* !_OPENMP */
	  /* Process all variables in current file */
	  for(idx=0;idx<nbr_var_prc;idx++){
#endif /* !ENABLE_MPI */
       /* Common code for UP and MPI */ /* fxm: requires C99 as is? */
	    in_id=in_id_arr[omp_get_thread_num()];
	    if(nco_dbg_lvl >= nco_dbg_var) (void)fprintf(fp_stderr,"%s, ",var_prc[idx]->nm);
	    if(nco_dbg_lvl >= nco_dbg_var) (void)fflush(fp_stderr);
	    /* Variables may have different ID, missing_value, type, in each file */
	    (void)nco_var_mtd_refresh(in_id,var_prc[idx]);
	    /* Retrieve variable from disk into memory */
	    /* NB: nco_var_get() with same nc_id contains OpenMP critical region */
	    (void)nco_var_get(in_id,var_prc[idx]);
	    /* Size of record dimension is 1 in output file */
	    var_prc_out[idx]->cnt[0]=1L;
	    var_prc_out[idx]->srt[0]=idx_rec_out;
	    
#ifdef ENABLE_MPI
	    /* Obtain token and prepare to write */
	    while(1){ /* Send msg_tag_tkn_wrt_rqs repeatedly until token obtained */
	      wrk_id_bfr[0]=prc_rnk;
	      MPI_Send(wrk_id_bfr,wrk_id_bfr_lng,MPI_INT,rnk_mgr,msg_tag_tkn_wrt_rqs,mpi_cmm);
	      MPI_Recv(msg_bfr,msg_bfr_lng,MPI_INT,rnk_mgr,msg_tag_tkn_wrt_rsp,mpi_cmm,&mpi_stt);
	      tkn_wrt_rsp=msg_bfr[0];
	      /* Wait then re-send request */
	      if(tkn_wrt_rsp == tkn_wrt_rqs_dny) sleep(tkn_wrt_rqs_ntv); else break;
	    } /* end while loop waiting for write token */
	    
	    /* Worker has token---prepare to write */
	    if(tkn_wrt_rsp == tkn_wrt_rqs_xcp){
	      if(RAM_OPEN) md_open=NC_WRITE|NC_SHARE|NC_DISKLESS; else md_open=NC_WRITE|NC_SHARE;
	      rcd=nco_fl_open(fl_out_tmp,md_open,&bfr_sz_hnt,&out_id);
	      /* Set chunksize parameters */
	      if(fl_out_fmt == NC_FORMAT_NETCDF4 || fl_out_fmt == NC_FORMAT_NETCDF4_CLASSIC) (void)nco_cnk_sz_set(out_id,lmt_all_lst,nbr_dmn_fl,&cnk_map,&cnk_plc,cnk_sz_scl,cnk_dmn,cnk_nbr);
	      
	      /* Turn-off default filling behavior to enhance efficiency */
	      nco_set_fill(out_id,NC_NOFILL,&fll_md_old);
#else /* !ENABLE_MPI */
#ifdef _OPENMP
#pragma omp critical
#endif /* _OPENMP */
#endif /* !ENABLE_MPI */
	      { /* begin OpenMP critical */
		/* Write variable into current record in output file */
		if(var_prc[idx]->nbr_dim == 0){
		  (void)nco_put_var1(out_id,var_prc_out[idx]->id,var_prc_out[idx]->srt,var_prc[idx]->val.vp,var_prc[idx]->type);
		}else{ /* end if variable is scalar */
		  (void)nco_put_vara(out_id,var_prc_out[idx]->id,var_prc_out[idx]->srt,var_prc_out[idx]->cnt,var_prc[idx]->val.vp,var_prc[idx]->type);
		} /* end if variable is array */
		/* Free current input buffer */
		var_prc[idx]->val.vp=nco_free(var_prc[idx]->val.vp);
	      } /* end OpenMP critical */
#ifdef ENABLE_MPI
	      /* Close output file and increment written counter */
	      nco_close(out_id);
	      var_wrt_nbr++;
	    } /* endif tkn_wrt_rqs_xcp */
	  } /* end else !idx_all_wrk_ass */
	} /* end while loop requesting work/token */
      } /* endif Worker */
#else /* !ENABLE_MPI */
    } /* end (OpenMP parallel for) loop over idx */
#endif /* !ENABLE_MPI */
    
    idx_rec_out++; /* [idx] Index of current record in output file (0 is first, ...) */
    if(nco_dbg_lvl > nco_dbg_scl) (void)fprintf(stderr,"\n");
    
    /* Close input netCDF file */
    for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) nco_close(in_id_arr[thr_idx]);
    
    /* Remove local copy of file */
    if(FL_RTR_RMT_LCN && RM_RMT_FL_PST_PRC) (void)nco_fl_rm(fl_in);
#ifdef ENABLE_MPI
    MPI_Barrier(mpi_cmm);
#endif /* !ENABLE_MPI */
  } /* end loop over fl_idx */
  
#ifdef ENABLE_MPI
  /* Manager moves output file (closed by workers) from temporary to permanent location */
  if(prc_rnk == rnk_mgr) (void)nco_fl_mv(fl_out_tmp,fl_out);
#else /* !ENABLE_MPI */
  /* Close output file and move it from temporary to permanent location */
  (void)nco_fl_out_cls(fl_out,fl_out_tmp,out_id);
#endif /* end !ENABLE_MPI */
  
  /* Clean memory unless dirty memory allowed */
  if(flg_cln){
    /* ncecat-specific memory cleanup */
    if(rec_dmn_nm) rec_dmn_nm=(char *)nco_free(rec_dmn_nm);
    
    /* NB: free lmt[] is now referenced within lmt_all_lst[idx] */
    for(idx=0;idx<nbr_dmn_fl;idx++)
      for(jdx=0;jdx<lmt_all_lst[idx]->lmt_dmn_nbr;jdx++)
	lmt_all_lst[idx]->lmt_dmn[jdx]=nco_lmt_free(lmt_all_lst[idx]->lmt_dmn[jdx]);

    lmt=(lmt_sct**)nco_free(lmt); 
    if(nbr_dmn_fl > 0) lmt_all_lst=nco_lmt_all_lst_free(lmt_all_lst,nbr_dmn_fl);

    /* NCO-generic clean-up */
    /* Free individual strings/arrays */
    if(cmd_ln) cmd_ln=(char *)nco_free(cmd_ln);
    if(cnk_map_sng) cnk_map_sng=(char *)nco_free(cnk_map_sng);
    if(cnk_plc_sng) cnk_plc_sng=(char *)nco_free(cnk_plc_sng);
    if(fl_in) fl_in=(char *)nco_free(fl_in);
    if(fl_out) fl_out=(char *)nco_free(fl_out);
    if(fl_out_tmp) fl_out_tmp=(char *)nco_free(fl_out_tmp);
    if(fl_pth) fl_pth=(char *)nco_free(fl_pth);
    if(fl_pth_lcl) fl_pth_lcl=(char *)nco_free(fl_pth_lcl);
    if(in_id_arr) in_id_arr=(int *)nco_free(in_id_arr);
    /* Free lists of strings */
    if(fl_lst_in && fl_lst_abb == NULL) fl_lst_in=nco_sng_lst_free(fl_lst_in,fl_nbr); 
    if(fl_lst_in && fl_lst_abb) fl_lst_in=nco_sng_lst_free(fl_lst_in,1);
    if(fl_lst_abb) fl_lst_abb=nco_sng_lst_free(fl_lst_abb,abb_arg_nbr);
    if(gaa_nbr > 0) gaa_arg=nco_sng_lst_free(gaa_arg,gaa_nbr);
    if(var_lst_in_nbr > 0) var_lst_in=nco_sng_lst_free(var_lst_in,var_lst_in_nbr);
    /* Free limits */
    for(idx=0;idx<lmt_nbr;idx++) lmt_arg[idx]=(char *)nco_free(lmt_arg[idx]);
    for(idx=0;idx<aux_nbr;idx++) aux_arg[idx]=(char *)nco_free(aux_arg[idx]);
    if(aux_nbr > 0) aux=(lmt_sct **)nco_free(aux);
    /* Free chunking information */
    for(idx=0;idx<cnk_nbr;idx++) cnk_arg[idx]=(char *)nco_free(cnk_arg[idx]);
    if(cnk_nbr > 0) cnk_dmn=nco_cnk_lst_free(cnk_dmn,cnk_nbr);
    /* Free dimension lists */
    if(nbr_dmn_xtr > 0) dim=nco_dmn_lst_free(dim,nbr_dmn_xtr-1); /* NB: ncecat has one fewer input than output dimension */
    if(nbr_dmn_xtr > 0) dmn_out=nco_dmn_lst_free(dmn_out,nbr_dmn_xtr); 
    /* Free variable lists */
    if(xtr_nbr > 0) var=nco_var_lst_free(var,xtr_nbr);
    if(xtr_nbr > 0) var_out=nco_var_lst_free(var_out,xtr_nbr);
    var_prc=(var_sct **)nco_free(var_prc);
    var_prc_out=(var_sct **)nco_free(var_prc_out);
    var_fix=(var_sct **)nco_free(var_fix);
    var_fix_out=(var_sct **)nco_free(var_fix_out);
  } /* !flg_cln */
  
#ifdef ENABLE_MPI
  MPI_Finalize();
#endif /* !ENABLE_MPI */
  
  if(rcd != NC_NOERR) nco_err_exit(rcd,"main");
  nco_exit_gracefully();
  return EXIT_SUCCESS;
} /* end main() */
示例#7
0
文件: ncbo.c 项目: hdfeos/nco
int 
main(int argc,char **argv)
{
  nco_bool CNV_CCM_CCSM_CF;
  nco_bool EXCLUDE_INPUT_LIST=False; /* Option c */
  nco_bool EXTRACT_ALL_COORDINATES=False; /* Option c */
  nco_bool EXTRACT_ASSOCIATED_COORDINATES=True; /* Option C */
  nco_bool FILE_1_RETRIEVED_FROM_REMOTE_LOCATION=False;
  nco_bool FILE_2_RETRIEVED_FROM_REMOTE_LOCATION=False;
  nco_bool FL_LST_IN_FROM_STDIN=False; /* [flg] fl_lst_in comes from stdin */
  nco_bool FORCE_APPEND=False; /* Option A */
  nco_bool FORCE_OVERWRITE=False; /* Option O */
  nco_bool FORTRAN_IDX_CNV=False; /* Option F */
  nco_bool GRP_VAR_UNN=False; /* [flg] Select union of specified groups and variables */
  nco_bool HISTORY_APPEND=True; /* Option h */
  nco_bool MSA_USR_RDR=False; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order*/
  nco_bool RAM_CREATE=False; /* [flg] Create file in RAM */
  nco_bool RAM_OPEN=False; /* [flg] Open (netCDF3-only) file(s) in RAM */
  nco_bool RM_RMT_FL_PST_PRC=True; /* Option R */
  nco_bool WRT_TMP_FL=True; /* [flg] Write output to temporary file */
  nco_bool flg_cln=True; /* [flg] Clean memory prior to exit */
  nco_bool flg_ddra=False; /* [flg] DDRA diagnostics */

  char **fl_lst_abb=NULL; /* Option a */
  char **fl_lst_in;
  char **gaa_arg=NULL; /* [sng] Global attribute arguments */
  char **var_lst_in=NULL_CEWI;
  char *aux_arg[NC_MAX_DIMS];
  char *cmd_ln;
  char *cnk_arg[NC_MAX_DIMS];
  char *cnk_map_sng=NULL_CEWI; /* [sng] Chunking map */
  char *cnk_plc_sng=NULL_CEWI; /* [sng] Chunking policy */
  char *fl_in_1=NULL; /* fl_in_1 is nco_realloc'd when not NULL */
  char *fl_in_2=NULL; /* fl_in_2 is nco_realloc'd when not NULL */
  char *fl_out=NULL; /* Option o */
  char *fl_out_tmp=NULL;
  char *fl_pth=NULL; /* Option p */
  char *fl_pth_lcl=NULL; /* Option l */
  char *lmt_arg[NC_MAX_DIMS];
  char *nco_op_typ_sng=NULL; /* [sng] Operation type */
  char *opt_crr=NULL; /* [sng] String representation of current long-option name */
  char *optarg_lcl=NULL; /* [sng] Local copy of system optarg */
  char *ppc_arg[NC_MAX_VARS]; /* [sng] PPC arguments */
  char *sng_cnv_rcd=NULL_CEWI; /* [sng] strtol()/strtoul() return code */
  char **grp_lst_in=NULL; /* [sng] User-specified list of groups */

  char trv_pth[]="/"; /* [sng] Root path of traversal tree */

  const char * const CVS_Id="$Id$"; 
  const char * const CVS_Revision="$Revision$";
  const char * const opt_sht_lst="3467ACcD:d:FG:g:hL:l:Oo:p:rRt:v:X:xzy:-:";

  cnk_sct cnk; /* [sct] Chunking structure */

#if defined(__cplusplus) || defined(PGI_CC)
  ddra_info_sct ddra_info;
  ddra_info.flg_ddra=False;
#else /* !__cplusplus */
  ddra_info_sct ddra_info={.MRV_flg=False,.flg_ddra=False,.lmn_nbr=0LL,.lmn_nbr_avg=0LL,.lmn_nbr_wgt=0LL,.nco_op_typ=nco_op_nil,.rnk_avg=0,.rnk_var=0,.rnk_wgt=0,.tmr_flg=nco_tmr_srt,.var_idx=0,.wgt_brd_flg=False,.wrd_sz=0};
#endif /* !__cplusplus */

  extern char *optarg;
  extern int optind;

  gpe_sct *gpe=NULL; /* [sng] Group Path Editing (GPE) structure */

  int *in_id_1_arr;
  int *in_id_2_arr;

  int abb_arg_nbr=0;
  int aux_nbr=0; /* [nbr] Number of auxiliary coordinate hyperslabs specified */
  int cnk_map=nco_cnk_map_nil; /* [enm] Chunking map */
  int cnk_nbr=0; /* [nbr] Number of chunk sizes */
  int cnk_plc=nco_cnk_plc_nil; /* [enm] Chunking policy */
  int dfl_lvl=NCO_DFL_LVL_UNDEFINED; /* [enm] Deflate level */
  int fl_idx;
  int fl_nbr=0;
  int fl_in_fmt_1; /* [enm] Input file format */
  int fl_in_fmt_2; /* [enm] Input file format */
  int fl_out_fmt=NCO_FORMAT_UNDEFINED; /* [enm] Output file format */
  int fll_md_old; /* [enm] Old fill mode */
  int gaa_nbr=0; /* [nbr] Number of global attributes to add */
  int idx;
  int in_id_1;  
  int in_id_2;  
  int lmt_nbr=0; /* Option d. NB: lmt_nbr gets incremented */
  int md_open; /* [enm] Mode flag for nc_open() call */

  int nbr_glb_att_1;  /* [nbr] Number of global attributes in file */
  int nbr_glb_att_2;  /* [nbr] Number of global attributes in file */
  int nbr_grp_att_1;  /* [nbr] Number of group attributes in file */
  int nbr_grp_att_2;  /* [nbr] Number of group attributes in file */
  int nbr_att_var_1;  /* [nbr] Number of variable attributes in file */
  int nbr_att_var_2;  /* [nbr] Number of variable attributes in file */
  int nbr_dmn_fl_1;   /* [nbr] Number of dimensions in file */
  int nbr_dmn_fl_2;   /* [nbr] Number of dimensions in file */
  int nbr_rec_fl_1;   /* [nbr] Number of record dimensions in file */
  int nbr_rec_fl_2;   /* [nbr] Number of record dimensions in file */
  int grp_dpt_fl_1;   /* [nbr] Maximum group depth (root = 0) */
  int grp_dpt_fl_2;   /* [nbr] Maximum group depth (root = 0) */ 
  int grp_lst_in_nbr=0; /* [nbr] Number of groups explicitly specified by user */
  int nbr_grp_fl_1;   /* [nbr] Number of groups in file */
  int nbr_grp_fl_2;   /* [nbr] Number of groups in file */
  int var_ntm_fl_1;   /* [nbr] Number of non-atomic variables in file */
  int var_ntm_fl_2;   /* [nbr] Number of non-atomic variables in file */
  int nbr_var_fl_1;   /* [nbr] Number of atomic-type variables in file */
  int nbr_var_fl_2;   /* [nbr] Number of atomic-type variables in file */
  int nbr_gpe_nm;     /* [nbr] Number of GPE entries */ 
  int nbr_cmn_nm=0;     /* [nbr] Number of common entries */
  int nco_op_typ=nco_op_nil; /* [enm] Operation type */
  int opt;
  int out_id;  
  int ppc_nbr=0; /* [nbr] Number of PPC arguments */
  int rcd=NC_NOERR; /* [rcd] Return code */
  int thr_idx; /* [idx] Index of current thread */
  int thr_nbr=int_CEWI; /* [nbr] Thread number Option t */
  int var_lst_in_nbr=0;

  size_t bfr_sz_hnt=NC_SIZEHINT_DEFAULT; /* [B] Buffer size hint */
  size_t cnk_min_byt=NCO_CNK_SZ_MIN_BYT_DFL; /* [B] Minimize size of variable to chunk */
  size_t cnk_sz_byt=0UL; /* [B] Chunk size in bytes */
  size_t cnk_sz_scl=0UL; /* [nbr] Chunk size scalar */
  size_t hdr_pad=0UL; /* [B] Pad at end of header section */

  trv_tbl_sct *trv_tbl_1=NULL; /* [lst] Traversal table input file 1 */
  trv_tbl_sct *trv_tbl_2=NULL; /* [lst] Traversal table input file 2 */

  gpe_nm_sct *gpe_nm=NULL; /* [sct] GPE name duplicate check array */
  
  nco_cmn_t *cmn_lst=NULL; /* [sct] A list of common names */ 
  
  nco_dmn_dne_t *flg_dne1=NULL; /* [lst] Flag to check if input dimension -d "does not exist" */
  nco_dmn_dne_t *flg_dne2=NULL; /* [lst] Flag to check if input dimension -d "does not exist" */
  nco_dmn_dne_t *flg_dne=NULL; /* [lst] Flag to check if input dimension -d "does not exist" */

#ifdef ENABLE_MPI
  /* Declare all MPI-specific variables here */
  MPI_Comm mpi_cmm=MPI_COMM_WORLD; /* [prc] Communicator */
  int prc_rnk; /* [idx] Process rank */
  int prc_nbr=0; /* [nbr] Number of MPI processes */
#endif /* !ENABLE_MPI */
  
  static struct option opt_lng[]={ /* Structure ordered by short option key if possible */
    /* Long options with no argument, no short option counterpart */
    {"cln",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"clean",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"mmr_cln",no_argument,0,0}, /* [flg] Clean memory prior to exit */
    {"drt",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"dirty",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"mmr_drt",no_argument,0,0}, /* [flg] Allow dirty memory on exit */
    {"ddra",no_argument,0,0}, /* [flg] DDRA diagnostics */
    {"mdl_cmp",no_argument,0,0}, /* [flg] DDRA diagnostics */
    {"hdf4",no_argument,0,0}, /* [flg] Treat file as HDF4 */
    {"hdf_upk",no_argument,0,0}, /* [flg] HDF unpack convention: unpacked=scale_factor*(packed-add_offset) */
    {"hdf_unpack",no_argument,0,0}, /* [flg] HDF unpack convention: unpacked=scale_factor*(packed-add_offset) */
    {"msa_usr_rdr",no_argument,0,0}, /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */	  
    {"msa_user_order",no_argument,0,0}, /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
    {"ram_all",no_argument,0,0}, /* [flg] Open (netCDF3) and create file(s) in RAM */
    {"create_ram",no_argument,0,0}, /* [flg] Create file in RAM */
    {"open_ram",no_argument,0,0}, /* [flg] Open (netCDF3) file(s) in RAM */
    {"diskless_all",no_argument,0,0}, /* [flg] Open (netCDF3) and create file(s) in RAM */
    {"wrt_tmp_fl",no_argument,0,0}, /* [flg] Write output to temporary file */
    {"write_tmp_fl",no_argument,0,0}, /* [flg] Write output to temporary file */
    {"no_tmp_fl",no_argument,0,0}, /* [flg] Do not write output to temporary file */
    {"intersection",no_argument,0,0}, /* [flg] Select intersection of specified groups and variables */
    {"nsx",no_argument,0,0}, /* [flg] Select intersection of specified groups and variables */
    {"union",no_argument,0,0}, /* [flg] Select union of specified groups and variables */
    {"unn",no_argument,0,0}, /* [flg] Select union of specified groups and variables */
    {"version",no_argument,0,0},
    {"vrs",no_argument,0,0},
    /* Long options with argument, no short option counterpart */
    {"bfr_sz_hnt",required_argument,0,0}, /* [B] Buffer size hint */
    {"buffer_size_hint",required_argument,0,0}, /* [B] Buffer size hint */
    {"cnk_byt",required_argument,0,0}, /* [B] Chunk size in bytes */
    {"chunk_byte",required_argument,0,0}, /* [B] Chunk size in bytes */
    {"cnk_dmn",required_argument,0,0}, /* [nbr] Chunk size */
    {"chunk_dimension",required_argument,0,0}, /* [nbr] Chunk size */
    {"cnk_map",required_argument,0,0}, /* [nbr] Chunking map */
    {"chunk_map",required_argument,0,0}, /* [nbr] Chunking map */
    {"cnk_min",required_argument,0,0}, /* [B] Minimize size of variable to chunk */
    {"chunk_min",required_argument,0,0}, /* [B] Minimize size of variable to chunk */
    {"cnk_plc",required_argument,0,0}, /* [nbr] Chunking policy */
    {"chunk_policy",required_argument,0,0}, /* [nbr] Chunking policy */
    {"cnk_scl",required_argument,0,0}, /* [nbr] Chunk size scalar */
    {"chunk_scalar",required_argument,0,0}, /* [nbr] Chunk size scalar */
    {"fl_fmt",required_argument,0,0},
    {"file_format",required_argument,0,0},
    {"gaa",required_argument,0,0}, /* [sng] Global attribute add */
    {"glb_att_add",required_argument,0,0}, /* [sng] Global attribute add */
    {"hdr_pad",required_argument,0,0},
    {"header_pad",required_argument,0,0},
    {"ppc",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
    {"precision_preserving_compression",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
    {"quantize",required_argument,0,0}, /* [nbr] Precision-preserving compression, i.e., number of total or decimal significant digits */
    /* Long options with short counterparts */
    {"3",no_argument,0,'3'},
    {"4",no_argument,0,'4'},
    {"64bit",no_argument,0,'4'},
    {"netcdf4",no_argument,0,'4'},
    {"7",no_argument,0,'7'},
    {"append",no_argument,0,'A'},
    {"coords",no_argument,0,'c'},
    {"crd",no_argument,0,'c'},
    {"no-coords",no_argument,0,'C'},
    {"no-crd",no_argument,0,'C'},
    {"debug",required_argument,0,'D'},
    {"nco_dbg_lvl",required_argument,0,'D'},
    {"dimension",required_argument,0,'d'},
    {"dmn",required_argument,0,'d'},
    {"fortran",no_argument,0,'F'},
    {"ftn",no_argument,0,'F'},
    {"gpe",required_argument,0,'G'}, /* [sng] Group Path Edit (GPE) */
    {"grp",required_argument,0,'g'},
    {"group",required_argument,0,'g'},
    {"history",no_argument,0,'h'},
    {"hst",no_argument,0,'h'},
    {"dfl_lvl",required_argument,0,'L'}, /* [enm] Deflate level */
    {"deflate",required_argument,0,'L'}, /* [enm] Deflate level */
    {"local",required_argument,0,'l'},
    {"lcl",required_argument,0,'l'},
    {"overwrite",no_argument,0,'O'},
    {"ovr",no_argument,0,'O'},
    {"path",required_argument,0,'p'},
    {"retain",no_argument,0,'R'},
    {"rtn",no_argument,0,'R'},
    {"revision",no_argument,0,'r'},
    {"thr_nbr",required_argument,0,'t'},
    {"threads",required_argument,0,'t'},
    {"omp_num_threads",required_argument,0,'t'},
    {"variable",required_argument,0,'v'},
    {"auxiliary",required_argument,0,'X'},
    {"exclude",no_argument,0,'x'},
    {"xcl",no_argument,0,'x'},
    {"operation",required_argument,0,'y'},
    {"op_typ",required_argument,0,'y'},
    {"help",no_argument,0,'?'},
    {"hlp",no_argument,0,'?'},
    {0,0,0,0}
  }; /* end opt_lng */
  int opt_idx=0; /* Index of current long option into opt_lng array */
  
  nbr_gpe_nm=0;
  
  /* Start timer and save command line */ 
  ddra_info.tmr_flg=nco_tmr_srt;
  rcd+=nco_ddra((char *)NULL,(char *)NULL,&ddra_info);
  ddra_info.tmr_flg=nco_tmr_mtd;
  cmd_ln=nco_cmd_ln_sng(argc,argv);
  
  /* Get program name and set program enum (e.g., nco_prg_id=ncra) */
  nco_prg_nm=nco_prg_prs(argv[0],&nco_prg_id);
  
#ifdef ENABLE_MPI
  /* MPI Initialization */
  if(False) (void)fprintf(stdout,gettext("%s: WARNING Compiled with MPI\n"),nco_prg_nm);
  MPI_Init(&argc,&argv);
  MPI_Comm_size(mpi_cmm,&prc_nbr);
  MPI_Comm_rank(mpi_cmm,&prc_rnk);
#endif /* !ENABLE_MPI */
  
  /* Parse command line arguments */
  while(1){
    /* getopt_long_only() allows one dash to prefix long options */
    opt=getopt_long(argc,argv,opt_sht_lst,opt_lng,&opt_idx);
    /* NB: access to opt_crr is only valid when long_opt is detected */
    if(opt == EOF) break; /* Parse positional arguments once getopt_long() returns EOF */
    opt_crr=(char *)strdup(opt_lng[opt_idx].name);
    
    /* Process long options without short option counterparts */
    if(opt == 0){
      if(!strcmp(opt_crr,"bfr_sz_hnt") || !strcmp(opt_crr,"buffer_size_hint")){
        bfr_sz_hnt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_byt") || !strcmp(opt_crr,"chunk_byte")){
        cnk_sz_byt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk_byt */
      if(!strcmp(opt_crr,"cnk_min") || !strcmp(opt_crr,"chunk_min")){
        cnk_min_byt=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk_min */
      if(!strcmp(opt_crr,"cnk_dmn") || !strcmp(opt_crr,"chunk_dimension")){
        /* Copy limit argument for later processing */
        cnk_arg[cnk_nbr]=(char *)strdup(optarg);
        cnk_nbr++;
      } /* endif cnk_dmn */
      if(!strcmp(opt_crr,"cnk_scl") || !strcmp(opt_crr,"chunk_scalar")){
        cnk_sz_scl=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_map") || !strcmp(opt_crr,"chunk_map")){
        /* Chunking map */
        cnk_map_sng=(char *)strdup(optarg);
        cnk_map=nco_cnk_map_get(cnk_map_sng);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cnk_plc") || !strcmp(opt_crr,"chunk_policy")){
        /* Chunking policy */
        cnk_plc_sng=(char *)strdup(optarg);
        cnk_plc=nco_cnk_plc_get(cnk_plc_sng);
      } /* endif cnk */
      if(!strcmp(opt_crr,"cln") || !strcmp(opt_crr,"mmr_cln") || !strcmp(opt_crr,"clean")) flg_cln=True; /* [flg] Clean memory prior to exit */
      if(!strcmp(opt_crr,"drt") || !strcmp(opt_crr,"mmr_drt") || !strcmp(opt_crr,"dirty")) flg_cln=False; /* [flg] Clean memory prior to exit */
      if(!strcmp(opt_crr,"ddra") || !strcmp(opt_crr,"mdl_cmp")) ddra_info.flg_ddra=flg_ddra=True; /* [flg] DDRA diagnostics */
      if(!strcmp(opt_crr,"fl_fmt") || !strcmp(opt_crr,"file_format")) rcd=nco_create_mode_prs(optarg,&fl_out_fmt);
      if(!strcmp(opt_crr,"gaa") || !strcmp(opt_crr,"glb_att_add")){
        gaa_arg=(char **)nco_realloc(gaa_arg,(gaa_nbr+1)*sizeof(char *));
        gaa_arg[gaa_nbr++]=(char *)strdup(optarg);
      } /* endif gaa */
      if(!strcmp(opt_crr,"hdf4")) nco_fmt_xtn=nco_fmt_xtn_hdf4; /* [enm] Treat file as HDF4 */
      if(!strcmp(opt_crr,"hdf_upk") || !strcmp(opt_crr,"hdf_unpack")) nco_upk_cnv=nco_upk_HDF; /* [flg] HDF unpack convention: unpacked=scale_factor*(packed-add_offset) */
      if(!strcmp(opt_crr,"hdr_pad") || !strcmp(opt_crr,"header_pad")){
        hdr_pad=strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
        if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      } /* endif "hdr_pad" */
      if(!strcmp(opt_crr,"msa_usr_rdr") || !strcmp(opt_crr,"msa_user_order")) MSA_USR_RDR=True; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */
      if(!strcmp(opt_crr,"ppc") || !strcmp(opt_crr,"precision_preserving_compression") || !strcmp(opt_crr,"quantize")){
        ppc_arg[ppc_nbr]=(char *)strdup(optarg);
        ppc_nbr++;
      } /* endif "ppc" */
      if(!strcmp(opt_crr,"ram_all") || !strcmp(opt_crr,"create_ram") || !strcmp(opt_crr,"diskless_all")) RAM_CREATE=True; /* [flg] Open (netCDF3) file(s) in RAM */
      if(!strcmp(opt_crr,"ram_all") || !strcmp(opt_crr,"open_ram") || !strcmp(opt_crr,"diskless_all")) RAM_OPEN=True; /* [flg] Create file in RAM */
      if(!strcmp(opt_crr,"unn") || !strcmp(opt_crr,"union")) GRP_VAR_UNN=True;
      if(!strcmp(opt_crr,"nsx") || !strcmp(opt_crr,"intersection")) GRP_VAR_UNN=False;
      if(!strcmp(opt_crr,"vrs") || !strcmp(opt_crr,"version")){
        (void)nco_vrs_prn(CVS_Id,CVS_Revision);
        nco_exit(EXIT_SUCCESS);
      } /* endif "vrs" */
      if(!strcmp(opt_crr,"wrt_tmp_fl") || !strcmp(opt_crr,"write_tmp_fl")) WRT_TMP_FL=True;
      if(!strcmp(opt_crr,"no_tmp_fl")) WRT_TMP_FL=False;
    } /* opt != 0 */
    /* Process short options */
    switch(opt){
    case 0: /* Long options have already been processed, return */
      break;
    case '3': /* Request netCDF3 output storage format */
      fl_out_fmt=NC_FORMAT_CLASSIC;
      break;
    case '4': /* Catch-all to prescribe output storage format */
      if(!strcmp(opt_crr,"64bit")) fl_out_fmt=NC_FORMAT_64BIT; else fl_out_fmt=NC_FORMAT_NETCDF4; 
      break;
    case '6': /* Request netCDF3 64-bit offset output storage format */
      fl_out_fmt=NC_FORMAT_64BIT;
      break;
    case '7': /* Request netCDF4-classic output storage format */
      fl_out_fmt=NC_FORMAT_NETCDF4_CLASSIC;
      break;
    case 'A': /* Toggle FORCE_APPEND */
      FORCE_APPEND=!FORCE_APPEND;
      break;
    case 'C': /* Extract all coordinates associated with extracted variables? */
      EXTRACT_ASSOCIATED_COORDINATES=False;
      break;
    case 'c':
      EXTRACT_ALL_COORDINATES=True;
      break;
    case 'D': /* The debugging level. Default is 0. */
      nco_dbg_lvl=(unsigned short int)strtoul(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtoul",sng_cnv_rcd);
      nc_set_log_level(nco_dbg_lvl);
      break;
    case 'd': /* Copy limit argument for later processing */
      lmt_arg[lmt_nbr]=(char *)strdup(optarg);
      lmt_nbr++;
      break;
    case 'F': /* Toggle index convention. Default is 0-based arrays (C-style). */
      FORTRAN_IDX_CNV=!FORTRAN_IDX_CNV;
      break;
    case 'G': /* Apply Group Path Editing (GPE) to output group */
      gpe=nco_gpe_prs_arg(optarg);
      fl_out_fmt=NC_FORMAT_NETCDF4; 
      break;
    case 'g': /* Copy group argument for later processing */
      /* Replace commas with hashes when within braces (convert back later) */
      optarg_lcl=(char *)strdup(optarg);
      (void)nco_rx_comma2hash(optarg_lcl);
      grp_lst_in=nco_lst_prs_2D(optarg_lcl,",",&grp_lst_in_nbr);
      optarg_lcl=(char *)nco_free(optarg_lcl);
      break;
    case 'h': /* Toggle appending to history global attribute */
      HISTORY_APPEND=!HISTORY_APPEND;
      break;
    case 'L': /* [enm] Deflate level. Default is 0. */
      dfl_lvl=(int)strtol(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtol",sng_cnv_rcd);
      break;
    case 'l': /* Local path prefix for files retrieved from remote file system */
      fl_pth_lcl=(char *)strdup(optarg);
      break;
    case 'O': /* Toggle FORCE_OVERWRITE */
      FORCE_OVERWRITE=!FORCE_OVERWRITE;
      break;
    case 'o': /* Name of output file */
      fl_out=(char *)strdup(optarg);
      break;
    case 'p': /* Common file path */
      fl_pth=(char *)strdup(optarg);
      break;
    case 'R': /* Toggle removal of remotely-retrieved-files. Default is True. */
      RM_RMT_FL_PST_PRC=!RM_RMT_FL_PST_PRC;
      break;
    case 'r': /* Print CVS program information and copyright notice */
      (void)nco_vrs_prn(CVS_Id,CVS_Revision);
      (void)nco_lbr_vrs_prn();
      (void)nco_cpy_prn();
      (void)nco_cnf_prn();
      nco_exit(EXIT_SUCCESS);
      break;
    case 't': /* Thread number */
      thr_nbr=(int)strtol(optarg,&sng_cnv_rcd,NCO_SNG_CNV_BASE10);
      if(*sng_cnv_rcd) nco_sng_cnv_err(optarg,"strtol",sng_cnv_rcd);
      break;
    case 'v': /* Variables to extract/exclude */
      /* Replace commas with hashes when within braces (convert back later) */
      optarg_lcl=(char *)strdup(optarg);
      (void)nco_rx_comma2hash(optarg_lcl);
      var_lst_in=nco_lst_prs_2D(optarg_lcl,",",&var_lst_in_nbr);
      optarg_lcl=(char *)nco_free(optarg_lcl);
      break;
    case 'X': /* Copy auxiliary coordinate argument for later processing */
      aux_arg[aux_nbr]=(char *)strdup(optarg);
      aux_nbr++;
      MSA_USR_RDR=True; /* [flg] Multi-Slab Algorithm returns hyperslabs in user-specified order */      
      break;
    case 'x': /* Exclude rather than extract variables specified with -v */
      EXCLUDE_INPUT_LIST=True;
      break;
    case 'y': /* User-specified operation type overrides invocation default */
      nco_op_typ_sng=(char *)strdup(optarg);
      nco_op_typ=nco_op_typ_get(nco_op_typ_sng);
      break;
    case '?': /* Print proper usage */
      (void)nco_usg_prn();
      nco_exit(EXIT_SUCCESS);
      break;
    case '-': /* Long options are not allowed */
      (void)fprintf(stderr,"%s: ERROR Long options are not available in this build. Use single letter options instead.\n",nco_prg_nm_get());
      nco_exit(EXIT_FAILURE);
      break;
    default: /* Print proper usage */
      (void)fprintf(stdout,"%s ERROR in command-line syntax/options. Please reformulate command accordingly.\n",nco_prg_nm_get());
      (void)nco_usg_prn();
      nco_exit(EXIT_FAILURE);
      break;
    } /* end switch */
    if(opt_crr) opt_crr=(char *)nco_free(opt_crr);
  } /* end while loop */

  /* Initialize traversal tables */
  (void)trv_tbl_init(&trv_tbl_1);
  (void)trv_tbl_init(&trv_tbl_2);

  /* Default operation depends on invocation name */
  if(nco_op_typ_sng == NULL) nco_op_typ=nco_op_typ_get(nco_op_typ_sng);

  /* Process positional arguments and fill in filenames */
  fl_lst_in=nco_fl_lst_mk(argv,argc,optind,&fl_nbr,&fl_out,&FL_LST_IN_FROM_STDIN);

  /* Initialize thread information */
  thr_nbr=nco_openmp_ini(thr_nbr);
  in_id_1_arr=(int *)nco_malloc(thr_nbr*sizeof(int));
  in_id_2_arr=(int *)nco_malloc(thr_nbr*sizeof(int));

  /* Parse filenames */
  fl_idx=0; /* Input file _1 */
  fl_in_1=nco_fl_nm_prs(fl_in_1,fl_idx,&fl_nbr,fl_lst_in,abb_arg_nbr,fl_lst_abb,fl_pth);
  if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"%s: INFO Input file %d is %s",nco_prg_nm_get(),fl_idx,fl_in_1);
  /* Make sure file is on local system and is readable or die trying */
  fl_in_1=nco_fl_mk_lcl(fl_in_1,fl_pth_lcl,&FILE_1_RETRIEVED_FROM_REMOTE_LOCATION);
  if(nco_dbg_lvl >= nco_dbg_fl && FILE_1_RETRIEVED_FROM_REMOTE_LOCATION) (void)fprintf(stderr,", local file is %s",fl_in_1);
  if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"\n");
  /* Open file once per thread to improve caching */
  if(RAM_OPEN) md_open=NC_NOWRITE|NC_DISKLESS; else md_open=NC_NOWRITE;
  for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) rcd+=nco_fl_open(fl_in_1,md_open,&bfr_sz_hnt,in_id_1_arr+thr_idx);
  in_id_1=in_id_1_arr[0];

  fl_idx=1; /* Input file _2 */
  fl_in_2=nco_fl_nm_prs(fl_in_2,fl_idx,&fl_nbr,fl_lst_in,abb_arg_nbr,fl_lst_abb,fl_pth);
  if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"%s: INFO Input file %d is %s",nco_prg_nm_get(),fl_idx,fl_in_2);
  /* Make sure file is on local system and is readable or die trying */
  fl_in_2=nco_fl_mk_lcl(fl_in_2,fl_pth_lcl,&FILE_2_RETRIEVED_FROM_REMOTE_LOCATION);
  if(nco_dbg_lvl >= nco_dbg_fl && FILE_2_RETRIEVED_FROM_REMOTE_LOCATION) (void)fprintf(stderr,", local file is %s",fl_in_2);
  if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"\n");
  /* Open file once per thread to improve caching */
  if(RAM_OPEN) md_open=NC_NOWRITE|NC_DISKLESS; else md_open=NC_NOWRITE;
  for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) rcd+=nco_fl_open(fl_in_2,md_open,&bfr_sz_hnt,in_id_2_arr+thr_idx);
  in_id_2=in_id_2_arr[0];

  /* Construct GTT, Group Traversal Table (groups,variables,dimensions, limits) */
  (void)nco_bld_trv_tbl(in_id_1,trv_pth,lmt_nbr,lmt_arg,aux_nbr,aux_arg,MSA_USR_RDR,FORTRAN_IDX_CNV,grp_lst_in,grp_lst_in_nbr,var_lst_in,var_lst_in_nbr,EXTRACT_ALL_COORDINATES,GRP_VAR_UNN,False,EXCLUDE_INPUT_LIST,EXTRACT_ASSOCIATED_COORDINATES,nco_pck_plc_nil,&flg_dne1,trv_tbl_1);
  (void)nco_bld_trv_tbl(in_id_2,trv_pth,lmt_nbr,lmt_arg,aux_nbr,aux_arg,MSA_USR_RDR,FORTRAN_IDX_CNV,grp_lst_in,grp_lst_in_nbr,var_lst_in,var_lst_in_nbr,EXTRACT_ALL_COORDINATES,GRP_VAR_UNN,False,EXCLUDE_INPUT_LIST,EXTRACT_ASSOCIATED_COORDINATES,nco_pck_plc_nil,&flg_dne2,trv_tbl_2);

  /* Merge DNE lists before checking */
  flg_dne=(nco_dmn_dne_t *)nco_malloc(2*lmt_nbr*sizeof(nco_dmn_dne_t));

  /* Merge "dne" lists */
  for(int lmt_idx=0;lmt_idx<lmt_nbr;lmt_idx++) flg_dne[lmt_idx]=flg_dne1[lmt_idx]; 
  for(int lmt_idx=0;lmt_idx<lmt_nbr;lmt_idx++) flg_dne[lmt_nbr+lmt_idx]=flg_dne2[lmt_idx];
 
  /* Were all user-specified dimensions found? */ 
  (void)nco_chk_dmn(lmt_nbr,flg_dne);

  /* Get number of variables, dimensions, and global attributes in file, file format */
  (void)trv_tbl_inq(&nbr_glb_att_1,&nbr_grp_att_1,&nbr_att_var_1,&nbr_dmn_fl_1,&nbr_rec_fl_1,&grp_dpt_fl_1,&nbr_grp_fl_1,&var_ntm_fl_1,&nbr_var_fl_1,trv_tbl_1);
  (void)trv_tbl_inq(&nbr_glb_att_2,&nbr_grp_att_2,&nbr_att_var_2,&nbr_dmn_fl_2,&nbr_rec_fl_2,&grp_dpt_fl_2,&nbr_grp_fl_2,&var_ntm_fl_2,&nbr_var_fl_2,trv_tbl_2);

  (void)nco_inq_format(in_id_1,&fl_in_fmt_1);
  (void)nco_inq_format(in_id_2,&fl_in_fmt_2);

  /* We now have final list of variables to extract. Phew. */

  /* Make output and input files consanguinous */
  if(fl_out_fmt == NCO_FORMAT_UNDEFINED) fl_out_fmt=fl_in_fmt_1;

  /* Initialize, decode, and set PPC information */
  if(ppc_nbr > 0) nco_ppc_ini(in_id_1,&dfl_lvl,fl_out_fmt,ppc_arg,ppc_nbr,trv_tbl_1);

  /* Verify output file format supports requested actions */
  (void)nco_fl_fmt_vet(fl_out_fmt,cnk_nbr,dfl_lvl);

  /* Open output file */
  fl_out_tmp=nco_fl_out_open(fl_out,FORCE_APPEND,FORCE_OVERWRITE,fl_out_fmt,&bfr_sz_hnt,RAM_CREATE,RAM_OPEN,WRT_TMP_FL,&out_id);

  /* Initialize chunking from user-specified inputs */
  if(fl_out_fmt == NC_FORMAT_NETCDF4 || fl_out_fmt == NC_FORMAT_NETCDF4_CLASSIC) rcd+=nco_cnk_ini(in_id_1,fl_out,cnk_arg,cnk_nbr,cnk_map,cnk_plc,cnk_min_byt,cnk_sz_byt,cnk_sz_scl,&cnk);

  if(gpe){
    if(nco_dbg_lvl >= nco_dbg_fl) (void)fprintf(stderr,"%s: INFO Group Path Edit (GPE) feature enabled\n",nco_prg_nm_get());
    if(fl_out_fmt != NC_FORMAT_NETCDF4) (void)fprintf(stderr,"%s: WARNING Group Path Edit (GPE) requires netCDF4 output format in most cases (except flattening) but user explicitly requested output format = %s. This command will fail if the output file requires netCDF4 features like groups or netCDF4 atomic types (e.g., NC_STRING, NC_UBYTE...).\n",nco_prg_nm_get(),nco_fmt_sng(fl_out_fmt));
  } /* !gpe */

  /* Is this a CCM/CCSM/CF-format history tape? */
  CNV_CCM_CCSM_CF=nco_cnv_ccm_ccsm_cf_inq(in_id_1);

  /* Group broadcating (DEFINE mode, True as flg_dfn parameter) */
  (void)nco_grp_brd(in_id_1,in_id_2,out_id,&cnk,dfl_lvl,gpe,gpe_nm,nbr_gpe_nm,CNV_CCM_CCSM_CF,nco_op_typ,trv_tbl_1,trv_tbl_2,(nco_bool)True);

  /* Copy global attributes from file 1 */
  (void)nco_att_cpy(in_id_1,out_id,NC_GLOBAL,NC_GLOBAL,(nco_bool)True);
  /* Catenate time-stamped command line to "history" global attribute */
  if(HISTORY_APPEND) (void)nco_hst_att_cat(out_id,cmd_ln);
  if(HISTORY_APPEND && FORCE_APPEND) (void)nco_prv_att_cat(fl_in_1,in_id_1,out_id);
  if(gaa_nbr > 0) (void)nco_glb_att_add(out_id,gaa_arg,gaa_nbr);
  if(HISTORY_APPEND) (void)nco_vrs_att_cat(out_id);

  /* Turn off default filling behavior to enhance efficiency */
  nco_set_fill(out_id,NC_NOFILL,&fll_md_old);

  /* Take output file out of define mode */
  if(hdr_pad == 0UL){
    (void)nco_enddef(out_id);
  }else{
    (void)nco__enddef(out_id,hdr_pad);
    if(nco_dbg_lvl >= nco_dbg_scl) (void)fprintf(stderr,"%s: INFO Padding header with %lu extra bytes\n",nco_prg_nm_get(),(unsigned long)hdr_pad);
  } /* hdr_pad */

  /* Group broadcating (WRITE mode, False as flg_dfn parameter) */
  (void)nco_grp_brd(in_id_1,in_id_2,out_id,&cnk,dfl_lvl,gpe,gpe_nm,nbr_gpe_nm,CNV_CCM_CCSM_CF,nco_op_typ,trv_tbl_1,trv_tbl_2,(nco_bool)False);

  /* Close input netCDF files */
  for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) nco_close(in_id_1_arr[thr_idx]);
  for(thr_idx=0;thr_idx<thr_nbr;thr_idx++) nco_close(in_id_2_arr[thr_idx]);

  /* Close output file and move it from temporary to permanent location */
  if(fl_out_tmp) (void)nco_fl_out_cls(fl_out,fl_out_tmp,out_id);

  /* Remove local copy of file */
  if(FILE_1_RETRIEVED_FROM_REMOTE_LOCATION && RM_RMT_FL_PST_PRC) (void)nco_fl_rm(fl_in_1);
  if(FILE_2_RETRIEVED_FROM_REMOTE_LOCATION && RM_RMT_FL_PST_PRC) (void)nco_fl_rm(fl_in_2);

  /* Clean memory unless dirty memory allowed */
  if(flg_cln){
    /* ncbo-specific memory */
    if(fl_in_1) fl_in_1=(char *)nco_free(fl_in_1);
    if(fl_in_2) fl_in_2=(char *)nco_free(fl_in_2);

    if(cmd_ln) cmd_ln=(char *)nco_free(cmd_ln);
    if(cnk_map_sng) cnk_map_sng=(char *)nco_free(cnk_map_sng);
    if(cnk_plc_sng) cnk_plc_sng=(char *)nco_free(cnk_plc_sng);
    if(fl_out) fl_out=(char *)nco_free(fl_out);
    if(fl_out_tmp) fl_out_tmp=(char *)nco_free(fl_out_tmp);
    if(fl_pth) fl_pth=(char *)nco_free(fl_pth);
    if(fl_pth_lcl) fl_pth_lcl=(char *)nco_free(fl_pth_lcl);
    if(in_id_1_arr) in_id_1_arr=(int *)nco_free(in_id_1_arr);
    if(in_id_2_arr) in_id_2_arr=(int *)nco_free(in_id_2_arr);
    /* Free lists of strings */
    if(fl_lst_in && fl_lst_abb == NULL) fl_lst_in=nco_sng_lst_free(fl_lst_in,fl_nbr); 
    if(fl_lst_in && fl_lst_abb) fl_lst_in=nco_sng_lst_free(fl_lst_in,1);
    if(fl_lst_abb) fl_lst_abb=nco_sng_lst_free(fl_lst_abb,abb_arg_nbr);
    if(var_lst_in_nbr > 0) var_lst_in=nco_sng_lst_free(var_lst_in,var_lst_in_nbr);
    /* Free limits */
    for(idx=0;idx<aux_nbr;idx++) aux_arg[idx]=(char *)nco_free(aux_arg[idx]);
    for(idx=0;idx<lmt_nbr;idx++) lmt_arg[idx]=(char *)nco_free(lmt_arg[idx]);
    for(idx=0;idx<ppc_nbr;idx++) ppc_arg[idx]=(char *)nco_free(ppc_arg[idx]);
    /* Free chunking information */
    for(idx=0;idx<cnk_nbr;idx++) cnk_arg[idx]=(char *)nco_free(cnk_arg[idx]);
    if(cnk_nbr > 0) cnk.cnk_dmn=(cnk_dmn_sct **)nco_cnk_lst_free(cnk.cnk_dmn,cnk_nbr);
    trv_tbl_free(trv_tbl_1);
    trv_tbl_free(trv_tbl_2);
    if(gpe) gpe=(gpe_sct *)nco_gpe_free(gpe);
    /* Memory management for GPE names */
    for(idx=0;idx<nbr_gpe_nm;idx++) gpe_nm[idx].var_nm_fll=(char *)nco_free(gpe_nm[idx].var_nm_fll);
    if(nbr_gpe_nm) gpe_nm=(gpe_nm_sct *)nco_free(gpe_nm);
    /* Memory management for common names list */
    for(idx=0;idx<nbr_cmn_nm;idx++) cmn_lst[idx].nm=(char *)nco_free(cmn_lst[idx].nm);
    if(nbr_cmn_nm > 0) cmn_lst=(nco_cmn_t *)nco_free(cmn_lst);
    for(idx=0;idx<lmt_nbr;idx++) flg_dne1[idx].dim_nm=(char *)nco_free(flg_dne1[idx].dim_nm);
    flg_dne1=(nco_dmn_dne_t *)nco_free(flg_dne1);
    for(idx=0;idx<lmt_nbr;idx++) flg_dne2[idx].dim_nm=(char *)nco_free(flg_dne2[idx].dim_nm);
    flg_dne2=(nco_dmn_dne_t *)nco_free(flg_dne2);
    flg_dne=(nco_dmn_dne_t *)nco_free(flg_dne);

  } /* !flg_cln */

#ifdef ENABLE_MPI
  MPI_Finalize();
#endif /* !ENABLE_MPI */
  
  /* End timer */ 
  ddra_info.tmr_flg=nco_tmr_end; /* [enm] Timer flag */
  rcd+=nco_ddra((char *)NULL,(char *)NULL,&ddra_info);
  if(rcd != NC_NOERR) nco_err_exit(rcd,"main");

  nco_exit_gracefully();
  return EXIT_SUCCESS;
} /* end main() */