1 #! /usr/bin/env python

     2 

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

     4 

     5 import sys, re, os

     6 

     7 def main():

     8     for filename in sys.argv[1:]:

     9         if os.path.isdir(filename):

    10             print filename, "Directory!"

    11             continue

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

    13         if '\0' in data:

    14             print filename, "Binary!"

    15             continue

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

    17         if newdata != data:

    18             print filename

    19             f = open(filename, "wb")

    20             f.write(newdata)

    21             f.close()

    22 

    23 if __name__ == '__main__':

    24     main()