修改文件后缀名的python,第一次写,想必肯定有更简单的方法,求指点
import os
import string
dirName = "./code/demo/"
li=os.listdir(dirName)
for filename in li:
newname = filename
newname = newname.split(".")
if newname[-1]=="txt":
newname[-1]="html"
newname = string.join(newname,".")
filename = dirName+filename
newname = dirName+newname
os.rename(filename,newname)
print newname,"updated successfully"