sort.py

#!/usr/bin/python
# -*- coding: utf-8 -*-

"""
注意：sort済みのフォルダに使うとごっちゃになります
"""

import os
import sys

path = sys.argv[1]
file_list = os.listdir("./" + path)
count = 1

for f in file_list:
    if f[0:1] == ".":
        print f
        continue
    os.rename(path + "/" + f, path + "/" + str(count) + "." + f.split(".")[1])
    count += 1