1#!/usr/bin/env python3 2# Copyright 2015 The PDFium Authors 3# Use of this source code is governed by a BSD-style license that can be 4# found in the LICENSE file. 5 6import difflib 7import sys 8 9 10def main(argv): 11 if len(argv) != 3: 12 print('%s: invalid arguments' % argv[0]) 13 return 2 14 filename1 = argv[1] 15 filename2 = argv[2] 16 try: 17 with open(filename1, "r") as f1: 18 str1 = f1.readlines() 19 with open(filename2, "r") as f2: 20 str2 = f2.readlines() 21 diffs = difflib.unified_diff( 22 str1, str2, fromfile=filename1, tofile=filename2) 23 except Exception as e: 24 print("something went astray: %s" % e) 25 return 1 26 status_code = 0 27 for diff in diffs: 28 sys.stdout.write(diff) 29 status_code = 1 30 return status_code 31 32 33if __name__ == '__main__': 34 sys.exit(main(sys.argv)) 35