python代碼批量變更檔尾碼

#-------------------------------------------------------------------------------# Name:        ChangeFilesExtension# Purpose:     Try to change extension of a file from one to others## Author:      ankier## Created:     30/08/2012# Copyright:   (c) ankier 2012# Licence:     <your licence>#-------------------------------------------------------------------------------# -*- coding: cp936 -*-import ospath = 'D:\\Test'def ChangeFilesExtension(path,oldExtension, newExtension):    for file in os.listdir(path):        oldFullName =os.path.join(path,file)        if os.path.isfile(oldFullName):            fileExtension = os.path.splitext(file) #返回 (filename, extension) 元組            if fileExtension[1] == oldExtension:                newname=fileExtension[0] + newExtension                os.rename(oldFullName,os.path.join(path,newname))                print file,'ok'def main():    ChangeFilesExtension(path, '.bin', '.png')if __name__ == '__main__':    main()