def METHOD_NAME(mode):
    """Convert a file's mode to a string of the form '-rwxrwxrwx'."""
    perm = []
    for table in _filemode_table:
        for bit, char in table:
            if mode & bit == bit:
                perm.append(char)
                break
        else:
            perm.append("-")
    return "".join(perm)