Changes the names of all files in a directory to prefix + index + suffix

renamefiles.py

#!/usr/bin/env python
#-*- coding: UTF-8 -*-

from functools import partial
import os

joincur = partial(os.path.join, os.getcwd())

print "Ange det nya prefixet på filerna: "
prefix = raw_input()

for i, fn in enumerate(os.listdir(os.getcwd())):
    newname = "%s%s%s" % (prefix, i, os.path.splitext(fn)[1])
    os.rename(joincur(fn), joincur(newname))
    print "%s -> %s" % (fn, newname)