#!/usr/bin/env python # encoding: utf-8 # # Copyright (c) 2010 Doug Hellmann. All rights reserved. # """Simplistic grep implementation """ #end_pymotw_header import fileinput import sys from_base = sys.argv[1] to_base = sys.argv[2] files = sys.argv[3:] for line in fileinput.input(files, inplace=True): line = line.rstrip().replace(from_base, to_base) print line