@echo off
rem 批处理保存为utf-8编码格式
chcp 65001 >nul
cd /d "%~dp0"
set /a x=3,y=2
for /f "delims=" %%i in ('dir /b /a-d *.txt') do (
	setlocal
	(for /f "tokens=1* delims=[]" %%a in ('find /n /v "" ^<"%%i"') do (
		if "%%b" equ "" (
			set /a n+=1
		) else if defined n (
			set /a m=n/x*y+n%%x
			set n=
			setlocal enabledelayedexpansion
			for /l %%l in (1,1,!m!) do (
				echo=
			)
			endlocal
			echo=%%b
		) else (
			echo=%%b
		)
	))>$
	move $ "%%i"
	endlocal
)
pauseCOPY

@echo off
chcp 65001 >nul
for /f "useback delims=" %%i in (`dir /b /a-d *.txt`) do (
	setlocal
            for /f "useback tokens=1* delims=[]" %%a in (`find /n "标签" ^<"%%i"`) do (
		for %%x in ( 0 ) do (
			set /a n=%%a+%%x
			call set _"%%n%%"=1
		)
	)
	(for /f "useback tokens=1* delims=[]" %%a in (`find /n /v "" ^<"%%i"`) do (
		if not defined _"%%a" (
			echo=%%b
		)
	))>$
	move $ "%%i"
	endlocal
)
pauseCOPY