[文本处理] 【已解决】BAT:如何这样批量处理文本数据

@echo off
setlocal enabledelayedexpansion
cd /d "D:\数据\"
for /f "delims=" %%a in ('dir /b *.txt') do (
set n=1
for /f "delims=" %%b in ('type "%%~nxa"') do (
if "!n!" == "11" (
>$ echo,'%%b
) else (
set /a n+=1
)
)
move $ "%%~nxa"
)
pause
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@echo off
pushd "d:\数据"
for /f "delims=" %%f in ('dir /b *.txt') do (
	call :FileReadLine "%%f" 11 ' > .temp_file
	move .temp_file "%%f"
)
exit /b

:FileReadLine <Filename> <LineNum> [Prefix]
	set /a skip=%2-1
	for /f "usebackq skip=%skip% tokens=*" %%i in ("%~1") do (
		echo,%3%%i
		exit /b
	)
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@echo off
sed -i "11s/$/\n/" 1.txt
sed -i "11,12!d" 1.txt
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