third_party/libvpx_new/run_perl.py

   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
   9 import optparse
  10 import subprocess
  11 import sys
  12
  13 parser = optparse.OptionParser()
  14 parser.description = __doc__
  15 parser.add_option('-s', '--script', help='path to a perl script.')
  16 parser.add_option('-i', '--input', help='file passed to stdin.')
  17 parser.add_option('-o', '--output', help='file saved from stdout.')
  18
  19
  20 options, args = parser.parse_args()
  21 if (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
  25 with open(options.output, 'w') as fo, open(options.input, 'r') as fi:
  26   subprocess.check_call(['perl', options.script], stdout=fo, stdin=fi)
  27
  28 sys.exit(0)