src/rename.c

   1 /*
   2  * A trivial shell command wrapping rename(2).
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7
   8 int main(int argc, char **argv)
   9 {
  10         if (argc != 3) {
  11                 fprintf(stderr, "usage: rename <from> <to>\n");
  12                 exit(EXIT_FAILURE);
  13         }
  14
  15         if (rename(argv[1], argv[2]) == -1) {
  16                 perror("rename");
  17                 exit(EXIT_FAILURE);
  18         }
  19
  20         exit(0);
  21 }