Powershell function return Array not Hashtable

Question

I have a problem that I do not understand. I am having a function that looks:

Function hashTable
{
    Param($release)

    $releaseArray = @()
    if (![string]::IsNullOrWhitespace($release))
    {
        $releaseArray = $release.split("{|}", [System.StringSplitOptions]::RemoveEmptyEntries)
        $releaseArray.gettype() | Select-Object Name
        if($releaseArray.Count -gt 0) {
            $namePathArray = @{}
            foreach($namePath in $releaseArray) {
                $splitReleaseArray = $namePath.split("{,}", [System.StringSplitOptions]::RemoveEmptyEntries)
                $namePathArray.add($splitReleaseArray[0], $splitReleaseArray[1])
            }

            #here it echos propper hashtable

            $namePathArray.gettype() | Select-Object Name
            if($namePathArray.Count -gt 0) {
                #here it echos propper hashtable as well
                return $namePathArray
            }
        }
    }
}

but when I call this function im getting an array not a hashtable that looks like:

Name
----
String[]
test
reorder

example input param: -release "reorder,c:\Repo\App|test,test"

And I am wondering if I'm missing something?

What $releaseArray.gettype() | Select-Object Name and $namePathArray.gettype() | Select-Object Name in your code supposed to do? — user4003407
– user4003407, Commented May 29, 2016 at 9:43

Mathias R. Jessen · Accepted Answer · 2016-05-29 10:21:39Z

You effectively pollute the output stream with the GetType() |Select Name statements. Remove them, or use Write-Host to display the type names instead:

Function hashTable
{
    Param($release)

    $releaseArray = @()
    if (![string]::IsNullOrWhitespace($release))
    {
        $releaseArray = $release.split("{|}", [System.StringSplitOptions]::RemoveEmptyEntries)
        Write-Host ($releaseArray.gettype() | Select-Object -Expand Name)
        if($releaseArray.Count -gt 0) {
            $namePathArray = @{}
            foreach($namePath in $releaseArray) {
                $splitReleaseArray = $namePath.split("{,}", [System.StringSplitOptions]::RemoveEmptyEntries)
                $namePathArray.add($splitReleaseArray[0], $splitReleaseArray[1])
            }

            #here it echos propper hashtable

            Write-Host ($namePathArray.gettype() | Select-Object -Expand Name)
            if($namePathArray.Count -gt 0) {
                #here it echos propper hashtable as well
                return $namePathArray
            }
        }
    }
}

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