I want to create an object of arbitrary values, sort of like how I can do this in C#
var anon = new { Name = "Ted", Age = 10 };
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3 Answers
You can do any of the following, in order of easiest usage:
Use Vanilla Hashtable with PowerShell 5+
In PS5, a vanilla hash table will work for most use cases
$o = @{ Name = "Ted"; Age = 10 }
Convert Hashtable to
PSCustomObjectIf you don't have a strong preference, just use this where vanilla hash tables won't work:
$o = [pscustomobject]@{ Name = "Ted"; Age = 10 }
Using
Select-Objectcmdlet$o = Select-Object @{n='Name';e={'Ted'}}, @{n='Age';e={10}} ` -InputObject ''
Using
New-ObjectandAdd-Member$o = New-Object -TypeName psobject $o | Add-Member -MemberType NoteProperty -Name Name -Value 'Ted' $o | Add-Member -MemberType NoteProperty -Name Age -Value 10
Using
New-Objectand hashtables$properties = @{ Name = "Ted"; Age = 10 } $o = New-Object psobject -Property $properties;
Note: Objects vs. HashTables
Hashtables are just dictionaries containing keys and values, meaning you might not get the expected results from other PS functions that look for objects and properties:
$o = @{ Name="Ted"; Age= 10; }
$o | Select -Property *
Further Reading
Comments
Try this:
PS Z:\> $o = @{}
PS Z:\> $o.Name = "Ted"
PS Z:\> $o.Age = 10
Note: You can also include this object as the -Body of an Invoke-RestMethod and it'll serialize it with no extra work.
Update
Note the comments below. This creates a hashtable.
7 Comments
CB.
I like do it like this:
$o = [ordered]@{ Name = "Ted"; Age = 10 }
JoeBrockhaus
@CB. might want to clarify what
[ordered] is for in that instance.
Granger
The "[ordered]" is a type accelerator; it's new as of PowerShell 3.0. It's just saying the thing to the right is an OrderedDictionary. You don't need it, but it's nice.
Vasyl Zvarydchuk
It's not custom object. It's a hashtable, check this
$o.GetType() out. And in strict PS mode it won't work, only $o['Name'].
Oliver
PLEASE beware that the answer by prampe shows how to do this in almost the exact same syntax the OP hoped for:
$anon = @{ Name="Ted"; Age= 10; }. This is possible from PowerShell 5 upwards. |
With PowerShell 5+ Just declare as:
$anon = @{ Name="Ted"; Age= 10; }
