CODEWITHSUNDEEP
powershell
user2150250
user2150250

Reputation: 5167

How to format 1-liner for printing an object property

How can I write a quick 1-liner for write-host'ing an object property (let's say Name)? Here is the object I want to print the Name of ...

Get-WmiObject -Class win32_ComputerSystem -namespace "root\CIMV2"

I tried ...

 write-host $_.name | Get-WmiObject -Class win32_ComputerSystem -namespace "root\CIMV2"

But this seems to still print all object properties. What can I do to fix this command?

Upvotes: 2

Views: 147

Answers (2)

KevinD
KevinD

Reputation: 3153

In addition to the answer from BACON, another option is this (needs PowerShell v3 or higher):

Write-Host (Get-WmiObject -Class win32_ComputerSystem -namespace "root\CIMV2").Name

Upvotes: 3

Lance U. Matthews
Lance U. Matthews

Reputation: 16606

You can use the -ExpandProperty parameter of the Select-Object cmdlet to retrieve just the computer name, then pipe that to Write-Host (formatted as multiple lines for readability):

Get-WmiObject -Class win32_ComputerSystem -namespace "root\CIMV2" `
    | Select-Object -ExpandProperty 'Name' `
    | Write-Host;

Alternatively, use the ForEach-Object cmdlet to get the Name property:

Get-WmiObject -Class win32_ComputerSystem -namespace "root\CIMV2" `
    | ForEach-Object { $_.Name; } `
    | Write-Host;

This is not a one-liner, but another approach similar to what you tried:

$computer = Get-WmiObject -Class win32_ComputerSystem -namespace "root\CIMV2";
Write-Host $computer.Name;

Note that since you only care about the Name property of Win32_ComputerSystem, it's a good idea to communicate that to Get-WmiObject using the -Property parameter so it doesn't bother returning information that will be discarded anyways:

Get-WmiObject -Class win32_ComputerSystem -namespace "root\CIMV2" -Property 'Name'

Upvotes: 4

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