#!/usr/bin/env python import os, sys import re def read_file(filename): f = open(filename) content = f.read() f.close() return content def write_file(filename, content): f = open(filename, 'w') f.write(content) f.close() for filename in sys.argv[1:]: content = read_file(filename) content = re.sub('( \1', content) write_file(filename, content) print 'Transformed', filename