1#!/usr/bin/python
2#
3# Copyright 2014 The Chromium Authors. All rights reserved.
4# Use of this source code is governed by a BSD-style license that can be
5# found in the LICENSE file.
6
7"This script is used to run a perl script."
8
9import optparse
10import subprocess
11import sys
12
13parser = optparse.OptionParser()
14parser.description = __doc__
15parser.add_option('-s', '--script', help='path to a perl script.')
16parser.add_option('-i', '--input', help='file passed to stdin.')
17parser.add_option('-o', '--output', help='file saved from stdout.')
18
19
20options, args = parser.parse_args()
21if (not options.script or not options.input or not options.output):
22  parser.error('Must specify arguments for script, input and output.')
23  sys.exit(1)
24
25with open(options.output, 'w') as fo, open(options.input, 'r') as fi:
26  subprocess.check_call(['perl', options.script], stdout=fo, stdin=fi)
27
28sys.exit(0)
29