decode - command line string decoder

decode.py

#! /usr/bin/python
# -*- coding: utf-8 -*-

import sys
from os import isatty

if isatty(sys.stdin.fileno()):
    sys.stdout.write("""decode - command line string decoder [version 1.0]
Usage: [stdin...] | decode
To decode a string that has been copied to the clipboard.

    pbpaste | decode

To decode content from a file

    cat <file_name> | decode

Made with ♥ in Chicago @TheRocketWagon
""")
    quit()
else:
    for line in sys.stdin:
        sys.stdout.write(line.decode('string_escape'))