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1) 배치 파일 작성pingcheck.bat@echo off set ipListFile=ipList.txt set resultFile=pingResult.txt for /f "tokens=1 delims=," %%i in (%ipListFile%) do ( ping -n 1 %%i | find "TTL=" >nul if errorlevel 1 ( echo %%i (X) >> %resultFile% ) else ( echo %%i (O) >> %resultFile% ) ) 2) ip 리스트 파일 작성ipList.txt192.168.0.1192.168.0.2192.168.0.3192.168.0.4192.168.0.5192.168.0.6192.168.0.71..