def _write_m3u(m3u_path, items_paths):
    mkdirall(m3u_path)
    with open(syspath(m3u_path), 'a') as f:
        for path in items_paths:
            f.write(path + b'\n')
Append relative paths to items into m3u file.
dataset/ETHPy150Open beetbox/beets/beetsplug/importfeeds.py/_write_m3u