1  #! /usr/bin/env python3
       2  
       3  # Copy one file's atime and mtime to another
       4  
       5  import sys
       6  import os
       7  from stat import ST_ATIME, ST_MTIME # Really constants 7 and 8
       8  
       9  def main():
      10      if len(sys.argv) != 3:
      11          sys.stderr.write('usage: copytime source destination\n')
      12          sys.exit(2)
      13      file1, file2 = sys.argv[1], sys.argv[2]
      14      try:
      15          stat1 = os.stat(file1)
      16      except OSError:
      17          sys.stderr.write(file1 + ': cannot stat\n')
      18          sys.exit(1)
      19      try:
      20          os.utime(file2, (stat1[ST_ATIME], stat1[ST_MTIME]))
      21      except OSError:
      22          sys.stderr.write(file2 + ': cannot change time\n')
      23          sys.exit(2)
      24  
      25  if __name__ == '__main__':
      26      main()