coreutils/length.c

   1 /* vi: set sw=4 ts=4: */
   2 #include "internal.h"
   3 #include <stdlib.h>
   4 #include <string.h>
   5 #include <stdio.h>
   6
   7 const char length_usage[] =
   8         "length STRING\n"
   9 #ifndef BB_FEATURE_TRIVIAL_HELP
  10         "\nPrints out the length of the specified STRING.\n"
  11 #endif
  12         ;
  13
  14 extern int length_main(int argc, char **argv)
  15 {
  16         if (argc != 2 || **(argv + 1) == '-')
  17                 usage(length_usage);
  18         printf("%lu\n", (long)strlen(argv[1]));
  19         return (TRUE);
  20 }