File: copytime.py

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#! /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)

main()