Mac/scripts/crlf.py

   1 #! /usr/local/bin/python
   2
   3 # Replace \r by \n -- useful after transferring files from the Mac...
   4 # Run this on UNIX.
   5 # Usage: crlf.py file ...
   6
   7 import sys
   8 import os
   9 import string
  10
  11 def main():
  12         args = sys.argv[1:]
  13         if not args:
  14                 print 'usage:', sys.argv[0], 'file ...'
  15                 sys.exit(2)
  16         for file in args:
  17                 print file, '...'
  18                 data = open(file, 'r').read()
  19                 lines = string.splitfields(data, '\r')
  20                 newdata = string.joinfields(lines, '\n')
  21                 if newdata != data:
  22                         print 'rewriting...'
  23                         os.rename(file, file + '~')
  24                         open(file, 'w').write(newdata)
  25                         print 'done.'
  26                 else:
  27                         print 'no change.'
  28
  29 main()