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@echo off&setlocal enabledelayedexpansion (for /f "delims=" %%a in (readme.txt) do ( set/a n+=1 set "str=%%a" if "!str:pop=pppoe!"=="%%a" ( echo,%%a ) else ( echo,!str:pop=pppoe! set/a m=n ) ))>readme1.txt if defined m echo readme1.txt 已更新 第%m%行 pppoe复制代码
sed "s/pop/pppoe/" readme.txt > readme1.txt复制代码