本文实例讲述了Python实现的txt文件去重功能。分享给大家供大家参考，具体如下：
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# -*- coding:utf-8 -*-#! python2import shutila=0readDir = "/Users/Administrator/Desktop/old.txt" #oldwriteDir = "/Users/Administrator/Desktop/new.txt" #new# txtDir = "/home/Administrator/Desktop/１"lines_seen = set()outfile = open(writeDir, "w")f = open(readDir, "r")for line in f: if line not in lines_seen: a+=1 outfile.write(line) lines_seen.add(line) print(a) print('\n')outfile.close()print("success") |
其中old.tx如下：
www.zzvips.com
www.baidu.com
www.sina.com.cn
www.zzvips.com
www.google.com
www.sohu.com
www.zzvips.com
www.163.com
运行后new.txt内容如下：
www.zzvips.com
www.baidu.com
www.sina.com.cn
www.google.com
www.sohu.com
www.163.com
希望本文所述对大家Python程序设计有所帮助。
原文链接：https://blog.csdn.net/sinat_35360663/article/details/80414699
