def _write_value(value, path):
    """
    Writes specified value into path. Note that the value is wrapped in single
    quotes in the command, to prevent injecting bash commands.
    :param value: The value to write (usually a number or string)
    :param path: A valid system path
    """
    base_command = "echo '{0}' > {1}"
    # There is no common method for redirecting stderr to a null sink, so the
    # command string is platform-dependent
    if platform == 'win32':
        command = "{0} > NUL".format(base_command)
    else:
        command = "exec 2> /dev/null; {0}".format(base_command)
    os.system(command.format(value, path))
Writes specified value into path. Note that the value is wrapped in single
    quotes in the command, to prevent injecting bash commands.
    :param value: The value to write (usually a number or string)
    :param path: A valid system path