/*
 * Copyright (c) 1994, 1995, 1996 Gunther Schadow.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/* NAME
 *
 *   mtime    -- report the last modification time of a file
 *
 * SYNOPSIS
 *
 *   mtime file [ strftime-format ]
 */  

#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <stdio.h>

int
main(int argc, char *argv[])
{
  struct stat statbuf;
  char strbuf[1024];
  char *file = argv[1];
  char *format;

  switch(argc) {
  case 2: format = "%D";
    break;
  case 3: format = argv[2];
    break;
  default:
    fprintf(stderr, "usage: %s file [ strftime-format ]\n", argv[0]);
    exit(1);
  }

  if(stat(file, &statbuf) == -1)
    {
      perror(file);
      exit(1);
    }

  strftime(strbuf, 1024, format, localtime(&statbuf.st_mtime));
  puts(strbuf);
  return 0;
}