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/*
* runfile - rf
*
* a no-dependancy, minimal
* POSIX C99 Make/justfile
* alternative to run commands.
*
* czjstmax
* <jstmaxlol at
* disroot dot org>
*/
#define _POSIX_C_SOURCE 200809L
#define RUNFILE_VERSION 1
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <wordexp.h>
#include <sys/wait.h>
void usage();
int main(int argc, char **argv)
{
if (argc > 2)
usage();
else if (argc >= 2) {
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0)
usage();
}
}
FILE *f = fopen("rfile", "r");
if (!f) {
printf("no rfile found.\n");
return 1;
}
wordexp_t p;
char *line = NULL;
size_t len = 0;
while (getline(&line, &len, f) != -1) {
line[strcspn(line, "\n")] = '\0';
printf("$ %s\n", line);
wordexp(line, &p, 0);
pid_t pid = fork();
if (pid == 0) {
execvp(p.we_wordv[0], p.we_wordv);
perror("failed to run command");
wordfree(&p);
free(line);
fclose(f);
_exit(1);
}
else if (pid > 0) {
int status;
waitpid(pid, &status, 0);
}
else {
perror("fork failed");
return 1;
}
}
wordfree(&p);
free(line);
fclose(f);
return 0;
}
void usage()
{
printf(
"< runfile usage >\n"
"syn: rf [section]\n"
);
}
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