PowerShell/Docs/check-ping.md

## The *check-ping.ps1* Script

This PowerShell script checks the ping latency from the local computer to some Internet hosts.

## Parameters
```powershell
check-ping.ps1 [[-hosts] <String>] [<CommonParameters>]

-hosts <String>
    Specifies the hosts to check, seperated by comma (default is: amazon.com,bing.com,cnn.com,dropbox.com,facebook.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,google.com,live.com,twitter.com,youtube.com
    Accept pipeline input?       false
    Accept wildcard characters?  false

[<CommonParameters>]
    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```

## Example
```powershell
PS> ./check-ping
✅ Ping is 25ms average, 13ms min, 109ms max.

```

## Notes
Author: Markus Fleschutz | License: CC0

## Related Links
https://github.com/fleschutz/PowerShell

## Source Code
```powershell
<#
.SYNOPSIS
	Checks the ping latency 
.DESCRIPTION
	This PowerShell script checks the ping latency from the local computer to some Internet hosts.
.PARAMETER hosts
	Specifies the hosts to check, seperated by comma (default is: amazon.com,bing.com,cnn.com,dropbox.com,facebook.com,google.com,live.com,twitter.com,youtube.com)
.EXAMPLE
	PS> ./check-ping
	✅ Ping is 25ms average, 13ms min, 109ms max.
.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,google.com,live.com,twitter.com,youtube.com")

try {
	Write-Progress "⏳ Pinging $hosts..."
	$HostsArray = $hosts.Split(",")
	$Pings = Test-Connection -count 1 -computerName $HostsArray

	[int]$Min = 9999999
	[int]$Max = [int]$Avg = 0
	foreach($Ping in $Pings) {
		if ($IsLinux) {	[int]$Latency = $Ping.latency } else { [int]$Latency = $Ping.ResponseTime }
		if ($Latency -lt $Min) { $Min = $Latency }
		if ($Latency -gt $Max) { $Max = $Latency }
		$Avg += $Latency
	}
	$Avg /= $Pings.count
	"✅ Ping is $($Avg)ms average, $($Min)ms min, $($Max)ms max"
	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*