@echo off &more +6 "班级名次.txt">"班级名次.new.txt" &pause&exit/b
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@echo off
(for /f "delims=" %%i in (1.txt) do (
    for /f %%j in ("%%i") do (
        if "%%j"=="序号" set n=true
    )
    if defined n echo,%%i
))>new_1.txt
pause
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@echo off &findstr /rbc:"[0-9]* " "班级名次.txt">"班级名次.new.txt" &pause&exit/b
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@echo off
cd /d "%~dp0"
set "MyFile=1.txt"
for /f "delims=:" %%i in ('findstr /n /i /b "序号" "%MyFile%"') do (
    more +%%i "%MyFile%"
)
pause
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@echo off
for /f "delims=:" %%i in ('findstr /n "序号" 1.txt ') do (
more +%%i 1.txt >2.txt
)
pause
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@echo off
(for /f "delims= usebackq tokens=1-2" %%i in (999.txt) do (
    for /f %%j in ("%%i") do (
	  if defined n echo,%%i %%j  %%k    
	  if "%%j"=="IP" set n=true
    )
    :dizzy: 
))>new_1.txt
pause
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@echo off
cd /d "%~dp0"
set "FileOld=999.txt"
set "FileNew=222.txt"

for /f "delims=:" %%i in ('findstr /n /i /b "IP" "%FileOld%"') do (
    call :GetCol %%i
    exit /b
)

:GetCol
(for /f "skip=%1 tokens=1,2" %%a in ('type "%FileOld%"') do (
    echo %%a %%b
))>"%FileNew%"
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@echo off
for /f "tokens=1-6*" %%a in (20240430-183539.log) do (
    if defined n echo,%%a       %%b %%c
    if /i "%%a"=="ip" set n=true
)
pause
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