tsw decode

decode_13.py

#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import sys
import string


trans = string.maketrans(
  string.lowercase,
  string.lowercase[13:] + string.lowercase[:13]
)

def decode(text):
  return string.translate(text.lower(), trans)


if __name__ == '__main__':
  for filename in sys.argv[1:]:
    with open(filename) as fh:
      code = fh.read()
    print "::", filename
    print decode(code)
    print