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#! /usr/bin/python
'''
Copyright (c) 2008--2009
Jan Nieuwenhuizen <janneke@gnu.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
'''
import os
import re
import stat
import sys
dry_run = False
def pytt (from_re, to, file_name):
s = file (file_name).read ()
name = os.path.basename (file_name)
base, ext = os.path.splitext (name)
t = re.sub (from_re, to % locals (), s)
if s != t:
if dry_run:
sys.stdout.write (t)
else:
stat_info = os.stat (file_name)
mode = stat.S_IMODE (stat_info[stat.ST_MODE])
os.system ('mv --backup=t %(file_name)s %(file_name)s~' % locals ())
file (file_name, 'w').write (t)
os.chmod (file_name, mode)
def main ():
from_re = re.compile (sys.argv[1], re.MULTILINE)
to = sys.argv[2]
if not sys.argv[3:] or sys.argv[3] == '-':
sys.stdout.write (re.sub (from_re, to, sys.stdin.read ()))
else:
for f in sys.argv[3:]:
pytt (from_re, to, f)
if __name__ == '__main__':
main ()
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