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Oct 21st, 2019
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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4. #include <sys/types.h>
  5. #include <unistd.h>
  6. #include <sys/types.h>
  7. #include <sys/wait.h>
  8.  
  9. int main(int argc, char *argv[]) //argc = argument count, argv = argument vector
  10. {
  11.  
  12. int i;
  13. for(i = 1; i < argc; i++)
  14. {
  15. printf("%dth argument: %s\n", i , argv[i]);
  16. pid_t child = fork();
  17. if(child == 0)
  18. {
  19. int commandExitStatus = execlp(argv[i], argv[i], NULL);
  20. if ( commandExitStatus == -1)//Failed
  21. printf("%d",commandExitStatus);
  22. else
  23. printf("Successful");
  24.  
  25. exit(0);
  26. }
  27. }
  28.  
  29. printf("============= END ===============\n");
  30.  
  31.  
  32. /* This code runs concurrently
  33. int i = 10;
  34. while (i > 0)
  35. {
  36. pid_t child = fork();
  37. if(child == 0) {
  38. printf("i: %d\n", i--);
  39. exit(0);
  40. }
  41. }
  42. */
  43.  
  44. }
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