用python 重命名文件夹下文件

# -*- coding: utf-8 -*-import os'''Description:    when we load xls data into unix ,the file name with some space while our process can not recognise those file,    so we want to write a samll a process and put it on unix to rename the files'''def renamefile():    path = 'C:\\Users\\IBM_ADMIN\\Desktop\\cognos\\datastage\\excel\\1Q-4Q files'    filelist = os.listdir(path)    for file in filelist:        Oldfile =  os.path.join(path,file)        if os.path.isdir(Oldfile):            continue        filename=os.path.splitext(file)[0]        filetype=os.path.splitext(file)[1]        newfilename = filename.replace(' ','_')        Newfile=os.path.join(path,newfilename+filetype)        os.rename(Oldfile,Newfile)print "Process is going...."renamefile();print "Process done"'''ls -lt target*| head -10'''