Python自动化开发—EX.3(实简单的shell sed功能)
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#程序1: 实现简单的shell sed替换功能 import sys,os old_file = open('test.txt','r',encoding='utf-8') new_file = open('test_bak.txt','w',encoding='utf-8') old_line = input('替换前内容>>:') new_line = input('替换后内容>>:') for line in old_file: #print(line.strip()) if old_line in line: line = line.replace(old_line,new_line) new_file.write(line) old_file.close() new_file.close()