*check-ping.ps1* ================ This PowerShell script measures the ping roundtrip times from the local computer to 10 Internet servers. Parameters ---------- ```powershell PS> ./check-ping.ps1 [[-hosts] ] [] -hosts Specifies the hosts to check, seperated by commata (default is: amazon.com,bing.com,cnn.com,dropbox.com,facebook.com,github.com,google.com,live.com,twitter.com,youtube.com) Required? false Position? 1 Default value amazon.com,bing.com,cnn.com,dropbox.com,facebook.com,github.com,google.com,live.com,twitter.com,youtube.com Accept pipeline input? false Accept wildcard characters? false [] This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, WarningVariable, OutBuffer, PipelineVariable, and OutVariable. ``` Example ------- ```powershell PS> ./check-ping.ps1 ✅ Ping latency is 29ms average (13ms...109ms, 0 loss) ``` Notes ----- Author: Markus Fleschutz | License: CC0 Related Links ------------- https://github.com/fleschutz/PowerShell Script Content -------------- ```powershell <# .SYNOPSIS Checks the ping latency .DESCRIPTION This PowerShell script measures the ping roundtrip times from the local computer to 10 Internet servers. .PARAMETER hosts Specifies the hosts to check, seperated by commata (default is: amazon.com,bing.com,cnn.com,dropbox.com,facebook.com,github.com,google.com,live.com,twitter.com,youtube.com) .EXAMPLE PS> ./check-ping.ps1 ✅ Ping latency is 29ms average (13ms...109ms, 0 loss) .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #> param([string]$hosts = "amazon.com,bing.com,cnn.com,dropbox.com,facebook.com,github.com,google.com,live.com,twitter.com,youtube.com") try { Write-Host "✅ Ping latency is" -noNewline $hostsArray = $hosts.Split(",") $t = $hostsArray | foreach { (New-Object Net.NetworkInformation.Ping).SendPingAsync($_, 250) } [Threading.Tasks.Task]::WaitAll($t) [int]$min = 9999999 [int]$max = [int]$avg = [int]$successCount = [int]$lossCount = 0 foreach($ping in $t.Result) { if ($ping.Status -eq "Success") { [int]$latency = $ping.RoundtripTime if ($latency -lt $min) { $min = $Latency } if ($latency -gt $max) { $max = $Latency } $avg += $latency $successCount++ } else { $lossCount++ } } $avg /= $successCount Write-Host " $($avg)ms average ($($min)ms...$($max)ms, $lossCount loss)" exit 0 # success } catch { "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])" exit 1 } ``` *(generated by convert-ps2md.ps1 using the comment-based help of check-ping.ps1 as of 08/06/2023 21:36:06)*