[文件操作] 批处理如何在TXT的第二行和倒数第二行加入字符串？

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in ('dir/a-d/s/b/l/on ".\*.txt"')do (
 for /f "tokens=1,* delims=:" %%j in ('findstr/n . "%%i"')do set "n=%%j"
 set/a "n=!n!-1"
 for /f "tokens=1,* delims=:" %%j in ('findstr/n . "%%i"')do (
  if "%%j"=="2" (
   echo,%%k
  )else if "%%j"=="!n!" (
   echo,%%k
  )else (
   echo,%%k
  )
 )
)
pause
复制代码