redirect_stdout.py (869B)
1 # Copyright 2016 The Chromium Authors 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 6 import os 7 import subprocess 8 import sys 9 10 # This script executes a command and redirects the stdout to a file. This is 11 # equivalent to |command... > output_file|. 12 # 13 # Usage: python redirect_stdout.py output_file command... 14 15 if __name__ == '__main__': 16 if len(sys.argv) < 2: 17 print("Usage: %s output_file command..." % sys.argv[0], file=sys.stderr) 18 sys.exit(1) 19 20 # This script is designed to run binaries produced by the current build. We 21 # may prefix it with "./" to avoid picking up system versions that might 22 # also be on the path. 23 path = sys.argv[2] 24 if not os.path.isabs(path): 25 path = './' + path 26 27 with open(sys.argv[1], 'w') as fp: 28 sys.exit(subprocess.check_call([path] + sys.argv[3:], stdout=fp))