Question 105714 in Azure Question posted in
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Azure – Can anyone please explain me what this ?{ $_.VirtualMachine -NE $null} command means in poweshell?

Get all the Network Interfaces

$nics = Get-AzNetworkInterface | ?{ $_.VirtualMachine -NE $null}

I am stuck on ?{ $_.VirtualMachine -NE $null} can anyone help?

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2

Answers


  1. 0

    ? is an alias for Where-Object Cmdlet. That means

    $nics = Get-AzNetworkInterface | ?{ $_.VirtualMachine -NE $null}

    is equivalent to

    $nics = Get-AzNetworkInterface | Where-Object { $_.VirtualMachine -NE $null}

    Here Where-Object selects objects from a collection based on their property values and $_ is a variable to refer the current item in the collection.

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  2. 0

    ?{ $_.VirtualMachine -NE $null}

    NE is Comparision Operator which means Not Equals and $_ means it is using the present item. So, it means finding those Virtual Machines which are not equal to null in the collection.

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