#!/usr/bin/python import sys import subprocess if len(sys.argv) == 4: first = [sys.argv[1], sys.argv[2]] second = [sys.argv[3]] else: first = [sys.argv[1]] second = [sys.argv[2]] print 'running: ', first S0 = subprocess.check_output(first, stderr=subprocess.STDOUT) print 'running: ', second S1 = subprocess.check_output(second, stderr=subprocess.STDOUT) print 'comparing' if S0 != S1: sys.exit(1) sys.exit(0)