文件夹所有的小写字母变大写字母

 

#!/usr/bin/python

import os, sys,re

dir = os.getcwd()

print "finding files..."
for root,dirs,files in os.walk(dir):
 os.rename(root,root.lower())
 for i in files:
  filename = root.lower() + "/" + i
  if re.search('[A-Z]',filename) != None:
   nname = filename.lower()
   os.rename(filename, nname)