libexpat/expat/tests/udiffer.py

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#! /usr/bin/env python3
import sys
import difflib
if len(sys.argv) != 3:
sys.exit(2)
try:
with open(sys.argv[1]) as infile1:
first = infile1.readlines()
except UnicodeDecodeError:
with open(sys.argv[1], encoding="utf_16") as infile1:
first = infile1.readlines()
try:
with open(sys.argv[2]) as infile2:
second = infile2.readlines()
except UnicodeDecodeError:
with open(sys.argv[2], encoding="utf_16") as infile2:
second = infile2.readlines()
diffs = list(difflib.unified_diff(first, second,
fromfile=sys.argv[1], tofile=sys.argv[2]))
if diffs:
sys.stdout.writelines(diffs)
sys.exit(1)