Making m3u playlist automatically

mkm3u.bat

rem Execute it in the directory which includes music files
rem It requires one argument which will become created m3u playlist file's name
for %%i in (*.mp3,*.mp4,*.m4a,*.wma,*.wav) do echo %cd%\%%i >> %1.m3u

mkm3u.py

# -*- encoding: utf-8 -*-
# Execute it in the directory which includes music files
import os.path, glob

exts = ('mp3','mp4','m4a','wma','wav')

files = []
for e in exts: files.extend(glob.glob('*.%s'%e))

output = os.path.basename(os.path.dirname(os.path.abspath(__file__)))

with open(output+'.m3u','w') as f:
  for fname in files:
    f.write('%s\n'%os.path.abspath(fname))