Powershell Function Output collection

Question

I have functions and each function returns an return code. I want to output the following:

function ReturnCode
-------- ----------
 wrapkey         255
 mapkey          233
 delkey            0

I tried:

$Outarray = @()

$Outarray += $_.SetProperty("WrapKey") | select "WrapKey", ReturnCode 
$Outarray += $_.SetProperty("MapKey") | select "MapKey", ReturnCode

$Outarray | Format-Table

How can I do this?

Mathias R. Jessen · Accepted Answer · 2018-02-04 11:47:08Z

2

You're looking for calculated properties, the syntax of which is as follows:

@{Name='Name of resulting property';Expression={<# actual value calculation goes here#>}}

So for the result you want (one object per SetProperty() call), that would be something like:

$_.SetProperty('WrapKey') | Select-Object @{Name='Function';Expression={'WrapKey'}},@{Name='ReturnCode';Expression={$_}}

And then repeat for MapKey and DelKey. Since only the property names vary, you can throw them into a loop:

$OutputCodes = foreach($Name in 'WrapKey','MapKey','DelKey'){
    $_ | Select-Object @{Name='Function';Expression={$Name}},@{Name='ReturnCode';Expression={$_.SetProperty($Name)}}
}

answered Feb 4, 2018 at 11:47

Mathias R. Jessen

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