
CODE: [Copy to clipboard]@echo off
Setlocal Enabledelayedexpansion
set /a m=0,n=0
set "skp="
:agn
for /f "%skp% delims=" %%a in (a.txt) do (
telnet 58.216.%%a.66 echo.
set /a m+=1,n+=1
if !m! equ 3 (
set "skp=skip=!n!"&set m=0&goto :agn
)
)
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