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sed -i -r "8{/^\s*\x22\s*$/d}" *.txt复制代码
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@echo off setlocal enabledelayedexpansion for /f "delims=" %%i in (a.txt) do ( set /a n+=1 if !n!==8 ( set "s=%%i" set "s=!s:"=""!" set "s=!s: =!" if not "!s!" == """" echo;%%i ) else ( echo;%%i ) ) pause复制代码