Script: *ping-local-hosts.ps1* ======================== This PowerShell script pings the computers in the local network and lists which one are up. Parameters ---------- ```powershell PS> ./ping-local-hosts.ps1 [] [] This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, WarningVariable, OutBuffer, PipelineVariable, and OutVariable. ``` Example ------- ```powershell PS> ./ping-local-hosts.ps1 ✅ Up: hippo jenkins01 jenkins02 rocket vega ``` Notes ----- Author: Markus Fleschutz | License: CC0 Related Links ------------- https://github.com/fleschutz/PowerShell Script Content -------------- ```powershell <# .SYNOPSIS Pings local hosts .DESCRIPTION This PowerShell script pings the computers in the local network and lists which one are up. .EXAMPLE PS> ./ping-local-hosts.ps1 ✅ Up: hippo jenkins01 jenkins02 rocket vega .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #> $names = @('ad','amnesiac','archlinux','auriga','berlin','boston','brother','canon','castor','cisco','echodot','epson','fedora','fireball','firewall','fritz.box','fritz!repeater','gassensor','gateway','hippo','heizung','hodor','homemanager','io','iphone','jarvis','jenkins','la','laptop','jupiter','mars','mercury','miami','mobile','none','none-1','none-2','ny','octopi','office','officepc','paris','pi','pixel-6a','pluto','printer','proxy','r2d2','raspberry','rocket','rome','router','sentinel','server','shelly1','smartphone','smartwatch','soundbar','sunnyboy','surface','switch','tablet','tau','tigercat','tolino','tv','ubuntu','vega','venus','xrx','zeus') # sorted alphabetically [int]$pingTimeout = 600 # ms try { Write-Progress "Sending pings to the local hosts..." $queue = [System.Collections.Queue]::new() foreach($name in $names) { $ping = [System.Net.Networkinformation.Ping]::new() $queue.Enqueue( @{Host=$name; Ping=$ping; Async=$ping.SendPingAsync($name, $pingTimeout)} ) } $up = "" do { $obj = $queue.Dequeue() try { if ($obj.Async.Wait($pingTimeout)) { if ($obj.Async.Result.Status -ne "TimedOut") { $up += "$($obj.Host) " } continue } } catch { if ($obj.Async.IsCompleted) { continue } } $queue.Enqueue($obj) } while ($queue.Count -gt 0) Write-Progress -completed "done." Write-Host "✅ Up: $($up)" exit 0 # success } catch { "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])" exit 1 } ``` *(generated by convert-ps2md.ps1 using the comment-based help of ping-local-hosts.ps1 as of 03/27/2024 17:36:30)*