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我也来个

@echo off&setlocal enabledelayedexpansion
set z=0
for /f "delims=" %%i in ('dir /b /a-d') do (
     set/a n+=1
     set _!n!=%%~ni
     >tem.txt echo %%~ni
     call :lp tem.txt
     )
cd.>tem.txt
for /l %%i in (1 1 %n%) do (
     set/a m=%%i%%4,mn=z-!%%iz!
     for /l %%i in (1 1 !mn!) do set "k=!k! " 
     set/p=!_%%i!     !k!<nul >>tem.txt&set k=
     if !m! equ 0 >>tem.txt echo.
     )
     start "" "tem.txt"&exit
:lp
set %n%z=%~z1
if !%n%z! gtr %z% set/a z=!%n%z!
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