| #! /usr/bin/env python3 | 
 |  | 
 | # 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() |