test.bat

@echo off
for /f "skip=5 tokens=2 delims=、" %%i in (c:\test.txt) do (
  echo %%i
)
pause > null

test.txt

1、111-1111.wma
2、222-2222.mp3
3、333-3333.mp3
4、444-4444.lrc
5、555-5555.mp3
6、666-6666.mv

验证

C:\>test.bat
666-6666.mv

C:\>