@echo off&setlocal enabledelayedexpansion
set a=值或for内引用
rem:循环次数
for /l %%n in (1,1,4196)do (
 rem:分隔符不受引号影响比for无参数分裂更有优势
 for /f "tokens=1,* delims=;" %%i in ("!a!")do (
  rem:设置循环变量
  set "a=%%j"
  rem:最终值
  echo,%%i
 )
)
pause
复制代码

@echo off
for /f "delims=" %%a in (a.txt) do (
	call :loop "%%a"
)
pause

:loop
for /f "tokens=1* delims=\;-[])( " %%i in ("%~1") do (
	if not "%%j"=="" (
		call :loop "%%j" 
	) else ( 
		echo;%%i
	)
)
goto :eof
复制代码