#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#define LEN 128
#define USE_LIB 0

int main(int argc, char ** argv) {
  FILE *flist;
  
  if (argc < 2) return 1;

  flist = fopen(argv[1], "r");

  char cmd[LEN];

  while(fgets(cmd, LEN, flist)) {
	  if (USE_LIB) {
		system(cmd);
		continue;
	  }

	  if (!fork()) {
		  execl("/bin/sh", "sh", "-c", cmd, (char *) NULL);
	  } else {
		  sleep(3);
	  }
  }

  return 0;
}