#! /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()