def args(parsed_args, name=None):
    """Interpret parsed args to streams"""
    strings = parsed_args.arg_strings(name)
    files = [s for s in strings if os.path.isfile(s)]
    if files:
        streams = [open(f) for f in files]
    else:
        streams = []
    if getattr(parsed_args, 'paste', not files):
        streams.append(clipboard_stream())
    if getattr(parsed_args, 'stdin', False):
        streams.append(sys.stdin)
    elif not streams:
        streams = [sys.stdin]
    return streams
Interpret parsed args to streams