/* parse command line */
static char *argv_parse(int argc, char **argv) {
int i, j, len;
char *dir = NULL;
/* read from commandline */
for(i=1; i<argc; i++) {
if(argv[i][0] == '-') {
/* flags requiring arguments */
if(argv[i][1] == 'X' || !strcmp(argv[i], "--exclude-from") || !strcmp(argv[i], "--exclude")
|| argv[i][1] == 'e' || argv[i][1] == 'l') {
if(i+1 >= argc) {
printf("Option %s requires an argument\n", argv[i]);
exit(1);
}
else if(strcmp(argv[i], "--exclude") == 0)
exclude_add(argv[++i]);
else if(exclude_addfile(argv[++i])) {
printf("Can't open %s: %s\n", argv[i], strerror(errno));
exit(1);
}
continue;
}
/* small flags */
len = strlen(argv[i]);
for(j=1; j<len; j++)
switch(argv[i][j]) {
case 'x': calc_smfs = 1; break;
case 'r': read_only = 1; break;
case 'q': update_delay = 2000; break;
case '?':
case 'h':
printf("ncdu [-hqvx] [--exclude PATTERN] [-X FILE] directory\n\n");
printf(" -h This help message\n");
printf(" -q Quiet mode, refresh interval 2 seconds\n");
printf(" -v Print version\n");
printf(" -x Same filesystem\n");
printf(" -r Read only\n");
printf(" --exclude PATTERN Exclude files that match PATTERN\n");
printf(" -X, --exclude-from FILE Exclude files that match any pattern in FILE\n");
exit(0);
case 'v':
printf("ncdu %s\n", PACKAGE_VERSION);
exit(0);
default:
printf("Unknown option: -%c\nSee '%s -h' for more information.\n", argv[i][j], argv[0]);
exit(1);
}
} else
dir = argv[i];
}
return dir;
}
int exclude_addfile(char *file) {
FILE *f;
char buf[256];
int len;
if((f = fopen(file, "r")) == NULL)
return 1;
while(fgets(buf, 256, f) != NULL) {
len = strlen(buf)-1;
while(len >=0 && (buf[len] == '\r' || buf[len] == '\n'))
buf[len--] = '\0';
if(len < 0)
continue;
exclude_add(buf);
}
fclose(f);
return 0;
}
/* parse command line */
static void argv_parse(int argc, char **argv) {
yopt_t yopt;
int v;
char *val;
char *export = NULL;
char *import = NULL;
char *dir = NULL;
static yopt_opt_t opts[] = {
{ 'h', 0, "-h,-?" },
{ 'q', 0, "-q" },
{ 'v', 0, "-v" },
{ 'x', 0, "-x" },
{ 'r', 0, "-r" },
{ 'o', 1, "-o" },
{ 'f', 1, "-f" },
{ '0', 0, "-0" },
{ '1', 0, "-1" },
{ '2', 0, "-2" },
{ 1, 1, "--exclude" },
{ 'X', 1, "-X,--exclude-from" },
{ 'C', 0, "--exclude-caches" },
{ 's', 0, "--si" },
{0,0,NULL}
};
dir_ui = -1;
si = 0;
yopt_init(&yopt, argc, argv, opts);
while((v = yopt_next(&yopt, &val)) != -1) {
switch(v) {
case 0 : dir = val; break;
case 'h':
printf("ncdu <options> <directory>\n\n");
printf(" -h This help message\n");
printf(" -q Quiet mode, refresh interval 2 seconds\n");
printf(" -v Print version\n");
printf(" -x Same filesystem\n");
printf(" -r Read only\n");
printf(" -o FILE Export scanned directory to FILE\n");
printf(" -f FILE Import scanned directory from FILE\n");
printf(" -0,-1,-2 UI to use when scanning (0=none,2=full ncurses)\n");
printf(" --si Use base 10 (SI) prefixes instead of base 2\n");
printf(" --exclude PATTERN Exclude files that match PATTERN\n");
printf(" -X, --exclude-from FILE Exclude files that match any pattern in FILE\n");
printf(" --exclude-caches Exclude directories containing CACHEDIR.TAG\n");
exit(0);
case 'q': update_delay = 2000; break;
case 'v':
printf("ncdu %s\n", PACKAGE_VERSION);
exit(0);
case 'x': dir_scan_smfs = 1; break;
case 'r': read_only = 1; break;
case 's': si = 1; break;
case 'o': export = val; break;
case 'f': import = val; break;
case '0': dir_ui = 0; break;
case '1': dir_ui = 1; break;
case '2': dir_ui = 2; break;
case 1 : exclude_add(val); break; /* --exclude */
case 'X':
if(exclude_addfile(val)) {
printf("Can't open %s: %s\n", val, strerror(errno));
exit(1);
}
break;
case 'C':
cachedir_tags = 1;
break;
case -2:
printf("ncdu: %s.\n", val);
exit(1);
}
}
if(export) {
if(dir_export_init(export)) {
printf("Can't open %s: %s\n", export, strerror(errno));
exit(1);
}
if(strcmp(export, "-") == 0)
ncurses_tty = 1;
} else
