int main(int argc, char *argv[]){
int i;
if(argc < 3){
fprintf(stderr, "Too few arguments");
exit(EXIT_FAILURE);
}
signal(SIGINT,int_handler);
signal(SIGPIPE,pipe_handler);
pattern = argv[1];
for(i = 2; i < argc; i++){
filesread++;
execfunc(argv[i]);
}
fprintf(stdout, "Reached end of files\n");
fprintf(stdout, "Files read: %d\n", filesread);
fprintf(stdout, "Bytes processed: %d\n", bytesread);
fprintf(stdout, "Exit\n");
return 0;
}
void
Xsimple(void)
{
word *a;
thread *p = runq;
var *v;
struct builtin *bp;
int pid;
globlist();
a = runq->argv->words;
if(a==0){
Xerror1("empty argument list");
return;
}
if(flag['x'])
pfmt(err, "%v\n", p->argv->words); /* wrong, should do redirs */
v = gvlook(a->word);
if(v->fn)
execfunc(v);
else{
if(strcmp(a->word, "builtin")==0){
if(count(a)==1){
pfmt(err, "builtin: empty argument list\n");
setstatus("empty arg list");
poplist();
return;
}
a = a->next;
popword();
}
for(bp = Builtin;bp->name;bp++)
if(strcmp(a->word, bp->name)==0){
(*bp->fnc)();
return;
}
if(exitnext()){
/* fork and wait is redundant */
pushword("exec");
execexec();
Xexit();
}
else{
flush(err);
Updenv(); /* necessary so changes don't go out again */
if((pid = execforkexec()) < 0){
Xerror("try again");
return;
}
/* interrupts don't get us out */
poplist();
while(Waitfor(pid, 1) < 0)
;
}
}
}
/* parse and execute a string */
void execcmd(void)
{
char *resid;
char *p = cmd_buf;
while (*p) {
memset(argv, 0, sizeof(argv));
parseargs(p, &argc, argv, &resid);
/* execute a function */
if (argc > 0) {
execfunc(argc, (const char **) argv);
}
p = resid;
}
}
