convert .mov with alac encoding audio to .wav using ffmpeg

ffmpeg_conv_all.py

import os
import glob
import commands
import time

files = glob.glob('*.mov')
for file in files:
	if os.path.isfile(file) :
		base, ext = os.path.splitext(file);
		command = "/usr/local/bin/ffmpeg -y -i " + file + " " + base + ".wav"
		print "start converting: " + file
		os.system(command)
		print "done " + base