@echo off
setlocal enabledelayedexpansion
for /l %%a in (1,1,5) do (
set /a n+=1
for /f "delims=" %%b in ('more +!n! 123.txt') do echo,%%b
)
pause
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@echo off
set n=1
setlocal enabledelayedexpansion
for /f "delims=" %%b in ("=") do (
	cmd /q /c "for /f "skip=!n! delims=%%b" %%a in ('type "%~f0"') do echo %%a"
)
pause
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@echo off
for /d %%d in (*) do (
	cmd /q /c "for /r "%%d" %%i in (*) do echo %%i"
)
pause
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