gistfile1.txt

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>

int main(int argc, char * argv[])
{
  pid_t child;
  child = fork();
  if(child == 0){
    char *file = argv[1];
    char *arg;
    char *args[10];
    if(file == NULL){
      printf("You must enter a file to be opened.");
      exit(0);
    }
    FILE *fp;
    fp=fopen(file, "r");
    char *line[128];
    while(fgets(line, sizeof (line), fp) != NULL){
        if(!strstr(line, "#")){
          printf("Command: %s\n", line );
          arg = strtok(line, " ");
          int i = 0;
          while(arg != NULL){
            printf("%s\n", arg);
            arg = strtok(NULL, " ");
            exelcvp(args[0], args);
            perror("command failed to execute.");
            args[i] = arg;
            i++;
          }
        }
      }
  }


}