#! /usr/bin/env python

"Replace LF with CRLF in argument files.  Print names of changed files."

import sys, re, os

def main():

    for filename in sys.argv[1:]:

        if os.path.isdir(filename):

            print filename, "Directory!"

            continue

        data = open(filename, "rb").read()

        if '\0' in data:

            print filename, "Binary!"

            continue

        newdata = re.sub("\r?\n", "\r\n", data)

        if newdata != data:

            print filename

            f = open(filename, "wb")

            f.write(newdata)

            f.close()

if __name__ == '__main__':

    main()