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      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()
     24