windows bash脚本检测tcp udp端口

@echo off
setlocal enabledelayedexpansion
color 2F

echo Inspect is processing..

for /f "delims=" %%i in (ip_list_port.txt) do (
@SET num=%%i
@SET type=!num:~0,3!
@SET port=!num:~4!

if !type! == tcp (
	echo Inspect Tcp port !port!
	start telnet.exe !port!
	sleep 25
	tasklist|findstr /i "telnet.exe" > nul
	(taskkill /F -IM "telnet.exe" )&&(echo !port! success)||(echo !port! failed)
)else (
    echo inspect Udp port !port!
	nc -vuz !port!
)

)

echo end..

pause