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@echo off set n=0 setlocal enabledelayedexpansion (for /f "delims=" %%a in (test.txt) do ( set /a n+=1 if !n! leq 12 ( set str=!str!%%a ) else ( echo,!str! set str=%%a set n=1 ) ) echo,!str!)>a.txt pause复制代码
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