reddit_stat.c

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/stat.h>

int main (int argc, char** argv)
{
   int i;
   struct stat stat_data;
   int num_iterations;
   int print;
   int use_filetime;
   int use_time;
   char const* filename;

   if (argc != 5)
     {
      fprintf (stderr, "Usage: %s num_iterations print|noprint filetime|time|nothing filename\n", argv[0]);
      return EXIT_FAILURE;
     }

   num_iterations= atoi (argv[1]);
   print= argv[2][0] == 'p';
   use_filetime= argv[3][0] == 'f';
   use_time= argv[3][0] == 't';
   filename= argv[4];

   for (i=0; i<num_iterations; ++i)
     {
      if (use_filetime)
        {
         stat (filename, &stat_data);
        }
      else if (use_time)
        {
         time (&(stat_data.st_mtime));
        }
      else
        {
         stat_data.st_mtime= 100;
        }

      if (print)
        {
         printf ("%u\n", (unsigned int)stat_data.st_mtime);
        }
     }

   return EXIT_SUCCESS;
}