aloha20200628

针对一楼示例》

@echo off &setlocal enabledelayedexpansion
(for /f "delims=" %%s in (a.txt) do (
	set "s=%%s" & if "!s:~-1!"=="@" (echo,*,,3000-0) else (echo,%%s)
))>b.txt
endlocal &exit/b
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