@echo off
setlocal enabledelayedexpansion
set "fdir=D:\提取"
if not exist "%fdir%" md "%fdir%" 
cd /d "D:\txt所在目录\"
for %%a in (*.txt) do (
set n=1
for /f "delims=" %%b in ('type "%%a"') do (
if !n! == 250 >"%fdir%\%%a" echo,%%b
set /a n+=1
)
)
pause
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@echo off
setlocal enabledelayedexpansion
set "fdir=D:\提取"
if not exist "%fdir%" md "%fdir%" 
cd /d "D:\txt所在目录\"
for %%a in (*.txt) do (
more +249 "%%a" >>$
set str=
set /p str=<$
>"%fdir%\%%a" echo,!str!
del $
)
)
pause
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@echo off
setlocal enabledelayedexpansion
cd /d "D:\txt所在目录\"
set n=1
for %%a in (*.txt) do (
>dstdate.vbs echo LastDate=date(^)+!n!
>>dstdate.vbs echo,FmtDate=right(year(LastDate^),4^) ^& right("0" ^& month(LastDate^),2^) ^& right("0" ^& day(LastDate^),2^)
>>dstdate.vbs echo wscript.echo FmtDate
for /f %%b in ('cscript /nologo dstdate.vbs') do set "tdate=%%b"
del dstdate.vbs
set "ndate=!tdate:~4,2!月!tdate:~6,2!日"
ren "%%a" "!ndate!%%~xa"
set /a n+=1
)
pause
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