代码也是在网上找的,效率挺不错的,特别适合字典文件的去重
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#coding=utf-8 import sys def open_txt(): #打开TXT文本写入数组 try : xxx = file (sys.argv[ 1 ], 'r' ) for xxx_line in xxx.readlines(): passlist.append(xxx_line) xxx.close() except : return 0 def write_txt(): #打开TXT文本写入数组 try : yyy = file (sys.argv[ 2 ], 'w' ) for i in list_passwed: yyy.write(i) yyy.close() except : return 0 global passlist #声明全局变量 passlist = [] #用户名:anonymous 密码为空 open_txt() #TXT导入数组 #passlist = list(set(passlist)) #python 列表去重 global list_passwed #列表去重,不打乱原来的顺序 list_passwed = [] for i in passlist: if i not in list_passwed: list_passwed.append(i) write_txt() |
python 读取TXT到数组 列表去重,不打乱原来的顺序
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#################################################################### #qq:316118740 #BLOG:http://hi.baidu.com/alalmn # python 读取TXT到数组 列表去重,不打乱原来的顺序 # 刚学写的不好请大家见谅 #################################################################### def open_txt(): #打开TXT文本写入数组 try : infile = file ( 'admin.txt' , 'r' ) xxx = file ( 'admin.txt' , 'r' ) for xxx_line in xxx.readlines(): passlist.append(xxx_line) xxx.close() except : return 0 def list_del(): #清空list列表 try : i = 0 #得到list的第一个元素 while i < len (passlist): del passlist[i] del list_passwed[i] except : return 0 ###################################### global passlist #声明全局变量 passlist = [] #用户名:anonymous 密码为空 www_cj(www) #域名拆解 open_txt() #TXT导入数组 #passlist = list(set(passlist)) #python 列表去重 global list_passwed #列表去重,不打乱原来的顺序 list_passwed = [] for i in passlist: if i not in list_passwed: list_passwed.append(i) ###################################### 遍历数组组合出 密码 I1 = 0 #得到list的第一个元素 while I1 < len (list_passwed): print "WWWWWWWWWWW" ,I1 if I1 = = len (list_passwed): break #退出循环 I2 = 0 #得到list的第一个元素 while I2 < len (list_passwed): print "1111:" ,list_passwed[I1], "2222:" ,list_passwed[I2] I2 = I2 + 1 #二层 I1 = I1 + 1 #一层 ###################################### |
补充
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# -*- coding: utf-8 -*- ''' 只使用与较小的文件,比较大的文件运行时间长 ''' def quchong(infile,outfile): infopen = open (infile, 'r' ,encoding = 'utf-8' ) outopen = open (outfile, 'w' ,encoding = 'utf-8' ) lines = infopen.readlines() list_1 = [] for line in lines: if line not in list_1: list_1.append(line) outopen.write(line) infopen.close() outopen.close() quchong( "源文件路径" , "目标文件路径" ) |
本文实例讲述了python读取TXT到数组及列表去重后按原来顺序排序的方法。分享给大家供大家参考。