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@echo off setlocal (for /f "delims=" %%i in (a.txt) do ( if not defined %%i ( echo,%%i set %%i=1 ) ))>b.txt endlocal pause复制代码
@echo off setlocal (for /f "delims=" %%i in (%%i.txt) do ( if not defined %%i ( echo,%%i set %%i=1 ) ))>%%i.txt endlocal pause复制代码
@echo off setlocal for /f "delims=" %%a in ('dir /b *.txt') do ( (for /f "delims=" %%i in (%%a) do ( if not defined %%i ( echo,%%i set %%i=1 ) set %%i= )))>%%a.txt endlocal pause复制代码
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采用变量字典的去重方案有几点注意,虽是老调重弹,但用于大数据场合依然有限》 一。单个文件行数限制 二。单行字符长度限制 三。文本行皆为a-zA-Z字母时,变量字典定义因不区分大小写而失误