1 #! /usr/bin/env python

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

     3 

     4 import sys, os

     5 

     6 def main():

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

     8         if os.path.isdir(filename):

     9             print filename, "Directory!"

    10             continue

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

    12         if '\0' in data:

    13             print filename, "Binary!"

    14             continue

    15         newdata = data.replace("\r\n", "\n")

    16         if newdata != data:

    17             print filename

    18             f = open(filename, "wb")

    19             f.write(newdata)

    20             f.close()

    21 

    22 if __name__ == '__main__':

    23     main()