Comments on: Exploring the .NET Framework with PowerShell – Calling a Method (Part 2a)

By: John Middleton

John Middleton — Thu, 04 Jun 2009 17:21:06 +0000

Well, when the ‘Where-Object’ piece is added it does not return any values..

Here is what I have that works:

$colComputers = get-content “C:\servers.txt”
foreach ($strComputer in $colComputers)
{

$ping = new-object System.Net.NetworkInformation.Ping
Write-Host Checking server: $strComputer
$Response = $ping.send($strComputer) | Select-Object -Property Address
$Response

}

But when Where-Object is used I get no IP’s returned..?
Where-Object { $_.Address -match ’10\.223\.42\.[1-254]‘ }

By: Steven Murawski

Steven Murawski — Thu, 04 Jun 2009 16:23:24 +0000

To filter, we can use Where-Object.
‘Server1′, ‘Server2′, ‘Server3′ | Foreach-Object { $ping.Send($_ } | Where-Object { $_.Address -match ’192\.168\.10\.[1-254]‘ } | Select-Object -Property address, status
Or the shorter version
‘Server1′, ‘Server2′, ‘Server3′ | % { $ping.Send($_ } | ? { $_.Address -match ’192\.168\.10\.[1-254]‘ } | Select address, status

By: John Middleton

John Middleton — Thu, 04 Jun 2009 14:59:46 +0000

Excellent.. the ‘Select-Object’ addition worked… just need to figure how to filter out just certain IP range next.

Thank you !

By: Steven Murawski

Steven Murawski — Thu, 04 Jun 2009 00:26:51 +0000

I would do something like:
$ping.Send(‘google.com’) | Select-Object -Property Status, Address
( or the shorter form $ping.Send(‘google.com’) | select status, address )

By: John Middleton

John Middleton — Wed, 03 Jun 2009 18:29:13 +0000

Excellent article.. one question.. how can we filter this .NET ping script to return only the items wanted.. i.e. Status and IP address..?