Add ping-hosts.ps1

scripts/ping-hosts.ps1

@@ -0,0 +1,50 @@
+<#
+.SYNOPSIS
+        Pings the local hosts
+.DESCRIPTION
+        This PowerShell script pings the hosts in the local network and lists which one up.
+.EXAMPLE
+        PS> ./check-hosts.ps1
+.LINK
+        https://github.com/fleschutz/PowerShell
+.NOTES
+        Author: Markus Fleschutz | License: CC0
+#>
+
+try {
+	[string]$hosts = "Boston,Castor,Cisco,Fireball,Firewall,fritz.box,Gateway,Hippo,Io,Jenkins01,Jenkins02,Jupiter,Mars,Mercury,Miami,NY,Paris,Pluto,Proxy,Rocket,Router,Server,Sunnyboy,Ubuntu,Vega,Venus,Zeus" # sorted alphabetically
+	$hostsArray = $hosts.Split(",")
+	$count = $hostsArray.Count
+
+	Write-Progress "Sending pings to $count local hosts..."
+        $queue = [System.Collections.Queue]::new()
+	foreach($hostname in $hostsArray) {
+		$ping = [System.Net.Networkinformation.Ping]::new()
+		$object = @{ Host = $hostname; Ping = $ping; Async = $ping.SendPingAsync($hostname, 400) }
+ 		$queue.Enqueue($object)
+        }
+
+	[string]$result = ""
+	while ($queue.Count -gt 0) {
+		$object = $queue.Dequeue()
+		try {
+                	if ($object.Async.Wait(400) -eq $true) {
+				if ($object.Async.Result.Status -ne "TimedOut") {
+					$result += "$($object.Host) "
+				}
+				continue
+			}
+		} catch {
+			if ($object.Async.IsCompleted -eq $true) {
+				continue
+			}
+		}
+		$queue.Enqueue($object)
+	}
+	Write-Progress -completed "Done."
+	Write-Host "✅ Up are: $result"
+	exit 0 # success
+} catch {
+        "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+        exit 1
+}