Windowsマシンからリモートデスクトップマシンに一括でICMPエコー要求してみよう

実行結果

PS > .\hoge.ps1 .\hosts.txt
host1 1
host2 0
host3 1

hoge.ps1

Param($file)
$hosts = Get-Content $file
$count = 3
$timeout = 3
foreach ($h in $hosts) {
    $result = Test-Connection $h -TimeoutSeconds $timeout -Count $count -Quiet 
    Write-Output "$h $($result -as [int])"
}

参考資料
https://learn.microsoft.com/ja-jp/powershell/module/microsoft.powershell.management/test-connection?view=powershell-7.3#-timeoutseconds