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@echo off setlocal enabledelayedexpansion for /f "delims=" %%a in (a.txt) do set /a l=n,n+=1&set ".!n!=%%a" (for /l %%a in (1,1,%n%) do ( set str= for /l %%b in (1,1,%l%) do ( set /a r=!random!%%n+1 for %%c in (!r!) do set "str=!str!!.%%c!_" ) echo !str:~,-1! ))>b.txt start b.txt复制代码
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