JasonSpine

import os,commands,re

path = './' # the directory path to calc
listing = os.listdir(path) # list all files
result=0 # result [seconds]

for i in listing:
	if i[-4:].lower()==".mp3": # check the file extension
		command = "ffmpeg -i '%s' 2>&1 | grep Duration"%i
		durationString=commands.getoutput(command)