77七

@echo off
rem 批处理保存为utf-8编码格式
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 /v "" ^<"%%i" ^|find "]第" ^|find "章"`) do (
		set _"%%a"=1
	)
	(for /f "useback tokens=1* delims=[]" %%a in (`find /n /v "" ^<"%%i"`) do (
		if not defined _"%%a" (
			echo=%%b
		) else (
			echo=
			echo=
			echo=
			echo=%%b
			echo=
			echo=
			echo=
		)
	))>$
	move $ "%%i"
	endlocal
)
pauseCOPY

使用前先备份！可能会有误差，如果”章“后面有个空格，代码改为 find "章 " 误差应该小点

77七

wfr
http://bcn.bathome.net/tool/wfr.exe

wfr *.txt /encin:utf-8 /encout:utf-8 -r:"^\s*第\s*\d+\s*章.*" -t:"\n\n\n\0\n\n\n"COPY

77七

回复 8# kokoxx


   
代码第6行改为

	for /f "useback tokens=1* delims=[]" %%a in (`find /n /v "" ^<"%%i" ^|find "]第" ^|find "章" ^|find /v "此行不做添加空行处理"`) do (COPY

77七

回复 10# kokoxx


  

@echo off
rem 批处理保存为utf-8编码格式
chcp 65001 >nul
for /f "useback delims=" %%i in (`dir /b /a-d *.txt`) do (
	(for /f "useback tokens=1* delims=[]" %%a in (`find /n /v "" ^<"%%i"`) do (
		echo=
		echo=%%b
	))>$
	move $ "%%i"
)
pauseCOPY

77七

回复 12# kokoxx


  

@echo off
rem 批处理保存为utf-8编码格式
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 "猜你喜欢:" ^<"%%i"`) do (
		set _"%%a"=1
	)
	for /f "useback tokens=1* delims=[]" %%a in (`find /n "更多推荐:" ^<"%%i"`) do (
		set _"%%a"=1
	)
	(for /f "useback tokens=1* delims=[]" %%a in (`find /n /v "" ^<"%%i"`) do (
		if not defined _"%%a" (
			echo=%%b
		) else (
			echo=
		)
	))>$
	move $ "%%i"
	endlocal
)
pauseCOPY

77七

回复 18# kokoxx


   应该是 猜你喜欢: 这个字符串在原文中没有找到。
使用你提供的文件，我这里测试正常。

77七

回复 20# kokoxx


  

@echo off
rem 批处理保存为utf-8编码格式
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 ".html" ^<"%%i"`) do (
		for %%x in (-2 -1 0 1) 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" (
			if defined m (
				echo=
				set m=
			)
			echo=%%b
		) else (
			set m=1
		)
	))>$
	move $ "%%i"
	endlocal
)
pauseCOPY

77七

回复 22# kokoxx


   对的，7行缩成一行空白

77七

回复 28# kokoxx


  

	(for /f "useback tokens=1* delims=[]" %%a in (`find /n /v "" ^<"%%i"`) do (
		if not defined _"%%a" (
			echo=%%b
		)
	))>$COPY

12-18行改为上面的，即去掉else (echo=)

77七

回复 30# kokoxx


  

@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