文件重命名

__author__ = 'ZHHT'
#!/usr/bin/env python
# -*- coding:utf-8 -*-
import  datetime

nowTime = datetime.datetime.now().strftime('%Y-%m-%d')

odl_file_name = input("请输入要复制的文件名：")

old =  open(odl_file_name,"r")

position = odl_file_name.rfind(".")
print(position)

new_file_name = odl_file_name[:position] + "[附件]" +nowTime + odl_file_name[position:]

new_file = open(new_file_name,"w")

while True:
    count = old.read(1024)
    if len(count) ==0:
        break
    new_file.write(count)
old.close()
new_file.close()