CODEWITHSUNDEEP
powershellobjectformatting
Alex
Alex

Reputation: 155

PowerShell Object in Object

I have the following code:

$Car = [PSCustomObject] @{
    Tire          = [PSCustomObject] @{
        Color = "Black"
        Count = 4
    }

    SteeringWheel = [PSCustomObject]@{
        Color   = "Blue"
        Buttons = 15
    }
}

Now I want to output the object using the Format-List cmdlet. This leads to the following edition:

Tire          : @{Color=Black; Count=4}
SteeringWheel : @{Color=Blue; Buttons=15}

I would like to have the output as follows:

Tire:
    Color:      Black
    Count:      4
SteeringWheel:
    Color:      Blue
    Buttons:    15

The output should be dynamic. I don't want to have to manually access the individual attributes as in the following example:

$Car.Tire
$Car.SteeringWheel

Thank you so much!

Upvotes: 1

Views: 782

Answers (1)

RoadRunner
RoadRunner

Reputation: 26335

We can use System.Management.Automation.PSObject.Members to extract the members from the System.Management.Automation.PSCustomObject. Then we can use Where-Object to filter out members that have the System.Management.Automation.PSMemberInfo.MemberType property equal to NoteProperty. 

$Car = [PSCustomObject] @{
    Tire = [PSCustomObject] @{
        Color = "Black"
        Count = 4
    }
    SteeringWheel = [PSCustomObject]@{
        Color   = "Blue"
        Buttons = 15
    }
}

foreach ($object in $Car) {
    $members = $object.PSObject.Members | 
        Where-Object {$_.MemberType -eq "NoteProperty"}

    foreach ($member in $members) {
        "$($member.Name):"

        $values = $member.Value.PSObject.Members | 
            Where-Object {$_.MemberType -eq "NoteProperty"}

        foreach ($value in $values) {
            "`t$($value.Name):$($value.Value)"
        }
    }
}

Output:

Tire:
    Color:Black
    Count:4
SteeringWheel:
    Color:Blue
    Buttons:15

Upvotes: 1

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