#!/usr/bin/python

# Python Rename File 1.0 
# Author: Douglas Palovick
# Modified by Piyush
# License: GPL http://www.gnu.org/licenses/gpl.txt

import re, os, string
for fname in os.listdir(os.getcwd()):
    if fname.find('iff') != -1:
	fspl = fname.split('.')
	fmid = string.zfill(fspl[2],4)
	newname = fspl[0]+'.'+fmid+'.iff'
        os.rename(fname, newname)