# Copyright 2015 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import os
import sys


def main(args):
    """Touches a file.

    Args:
      args: An argument list, the first item of which is a file to touch.
    """
    try:
        os.makedirs(os.path.dirname(args[0]))
    except OSError:
        pass
    with open(args[0], 'a'):
        os.utime(args[0], None)
    return 0


if __name__ == '__main__':
    sys.exit(main(sys.argv[1:]))