[文本处理] [已解决] 批处理如何批量提取文本内指定行后连续的特定行内容？

@echo off
cd /d "%~dp0"
for /f "useback tokens=1 delims=[]" %%a in (`find /n "bcdefg" ^<"000.txt"`) do (
	set _"%%a"=1
)
(for /f "useback tokens=1* delims=[]" %%a in (`find /n /v "" ^<"000.txt"`) do (
	if "%%b" neq "" (
		if defined m (
			set str=%%b
			setlocal enabledelayedexpansion
			if "!str:~0,3!" equ "   " (
				echo !str!
				endlocal
			) else (
				endlocal
				set m=
			)
		)
		if defined _"%%a" (
			set m=1
		)
	)
))>out.txt
pause
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powershell -c "([regex]'(?<=bcdefg:\r\n)(   \w+\r\n   \w+)').Matches([io.file]::ReadAllText('000.txt'))|%{$_.Value}>out.txt"
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sed -n "/^bcdefg:\r\?$/,/^[^ ]/{/   /p}" 000.txt >___000.txt
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@echo off
setlocal enabledelayedexpansion
for /f "tokens=1* delims=:" %%A in ('findstr /n "bcdefg" "000.txt"') do set n=%%A
set LF=0
for /f "tokens=1* delims=:" %%i in ('findstr /n .* "000.txt"') do (
    set f=%%j
    set /a LF+=1
    set /a o=!n!+1
    set /a t=!n!+2
    if !LF! equ !o! echo;!f!>>000.out.txt
    if !LF! equ !t! echo;!f!>>000.out.txt
)
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PowerShell -noprofile -executionpolicy bypass "[regex]::Matches([System.IO.File]::ReadAllText('000.txt'),'(?<=bcdefg:\s+)( *?.+\s+)+?(?=\s+.+:)').value" >b.txt
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@echo off
setlocal enabledelayedexpansion
(for /f "delims=" %%i in (000.txt) do (
    if "%%i"=="bcdefg:" (
        set n=true
    ) else if defined n (
        set "str=%%i"
        if "!str:~-1!"==":" (
            set n=
        ) else (
            echo,%%i
        )
    )
))>out.txt
pause
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@echo off&setlocal enabledelayedexpansion
for /f "tokens=1 delims=:" %%1 in ('findstr -n "bcdefg:" "000.txt"')do set "line=%%1"
(for /f "delims=" %%1 in ('more +%line% ^<"000.txt"')do (
	set "str=%%1"
	set "str=!str:~-1!"
	if "!str!"==":" goto :eof
	echo %%1
))> b.txt
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setlocal enabledelayedexpansion
echo,[!num!] "%%b"
endlocal
set /a "num+=1"
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