#! /usr/bin/env python

# Copy one file's atime and mtime to another

import sys
import os
from stat import ST_ATIME, ST_MTIME # Really constants 7 and 8

def main():
   if len(sys.argv) <> 3:
       sys.stderr.write('usage: copytime source destination\n')
       sys.exit(2)
   file1, file2 = sys.argv[1], sys.argv[2]
   try:
       stat1 = os.stat(file1)
   except os.error:
       sys.stderr.write(file1 + ': cannot stat\n')
       sys.exit(1)
   try:
       os.utime(file2, (stat1[ST_ATIME], stat1[ST_MTIME]))
   except os.error:
       sys.stderr.write(file2 + ': cannot change time\n')
       sys.exit(2)

if __name__ == '__main__':
   main()