ChangMingZhao

摘要： 1 # -*- coding:utf-8 -*- 2 # Author: JACK ZHAO 3 4 # 程序1: 实现简单的shell sed替换功能 5 6 import sys 7 8 #判断参数个数 9 if len(sys.argv) != 3: 10 print("Usage: python_sed.py 'old string' 'net stri... 阅读全文