中国DOS联盟

@echo off

set "str=^<a^>"&set "file=2222.txt"

for /f "delims=" %%a in (%file%) do (

  if not defined dos (

    set dos=cndos

    >%file% echo %str%%%a

  ) else (

    >>%file% echo %str%%%a

  )

)

start "" %file%

@echo off&setlocal enabledelayedexpansion

for /f "tokens=1* delims=:" %%i in ('findstr /n "." test.txt') do (

    set /a n+=1

    if %%i gtr !n! call :loop %%i

    echo.^<a^>%%j>>"test111.txt"

)

exit



:loop

echo.>>"test111.txt"

set /a n+=1

if %1 gtr %n% goto loop

goto :eof

@echo off

Setlocal Enabledelayedexpansion

set str=^<a^>&set dos=&set fn=9.txt

for /f "tokens=*" %%i in ('findstr /n "$" %fn%') do (

   set aa=%%i&set aa=!aa:*:=!

   if not defined dos (

      set dos=cndos

      if defined aa (echo !str!!aa!>%fn%) else echo.>%fn%

   ) else if defined aa (echo !str!!aa!>>%fn%) else echo.>>%fn%

)