def stat(path, format):
    """Call stat on file

    :param path: HDFS Path
    :param format: Stat format
    :returns: Stat output
    :raises: IOError: If unsuccessful
    """
    cmd = "hadoop fs -stat %s %s" % (format, path)
    rcode, stdout, stderr = _checked_hadoop_fs_command(cmd)
    return stdout.rstrip()
Call stat on file

    :param path: HDFS Path
    :param format: Stat format
    :returns: Stat output
    :raises: IOError: If unsuccessful