[文本处理] 求助批处理如何读取指定内容后第4行的内容并输出？

@echo off
set info=互助互利,支付宝扫码头像,感谢打赏
rem 有问题,可加QQ956535081及时沟通
title %info%
cd /d "%~dp0"
for /f "delims=" %%a in ('dir /a-d/b *.txt') do call :loop "%%a"
echo;%info%
pause
exit
:loop
set n=0
for /f "delims=[]" %%b in ('type "%~1"^|find /n "##17"') do set n=%%b
if %n% equ 0 (goto break)
set /a m=4+n-1
for /f "skip=%m% delims=" %%b in ('type "%~1"') do (
    echo;%%b
    goto break
)
:break
exit /b
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