xp3000

@echo off&Setlocal EnableDelayedExpansion

set str=c:\1.bat

@for /f "tokens=1,* delims=:" %%a in ('type %str%^|findstr /n ".*"') do echo %%a %%b
echo.
@for /f %%i in ('type %str% ^| find /c /v ""') do set n=%%i&echo 文件共有!n!行


:main
set input=
set /p input=请输入要替换的行数1-%n%: 
if  %input% equ 0 goto main 
if %input% geq %n% goto main 

sed -i -E -e "%input%s/原内容1/替换内容1/g;%input%s/原内容2/替换内容2/g" %str%

pause
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bat在cmd窗口替换bat？