SwissKnife

1.0.0-preview1

functions/text/Join-String.ps1

function Join-String{
    [Cmdletbinding()]
    param(
        [Parameter(Mandatory=$true, ValueFromPipeline=$true, ParameterSetName='String')]
        [Parameter(Mandatory=$true, ValueFromPipeline=$true, ParameterSetName='Object')]
        [object[]]$Value,
        [Parameter(Mandatory=$true, ParameterSetName='Object')]
        [string]$ExpandProperty,
        [Parameter(Mandatory=$true)]
        [string]$Separator
    )    

    begin{
        $stringCache = ""
    }
    process{
        switch ($PsCmdlet.ParameterSetName){
            'String'{
                $stringCache += $Value
            }
            'Object'{
                $stringCache += ($Value | Select-Object -ExpandProperty $ExpandProperty)
            }
        }
        $stringCache += $Separator
    }
    end{
        $stringCache.Trim().TrimEnd(',')
    }
}