PowerShell RSJob Template

Function SomeFunction
{
    Param(
       [String]$SampleParam
    )
    return $SampleParam.ToUpper()
}

$JobScript = [scriptblock]{
    $inQueue = [System.Collections.Concurrent.ConcurrentQueue[string]]$args[0]
    $outBag = [System.Collections.Concurrent.ConcurrentBag[string]]$args[1]
    $currentItem = $null
    while($inQueue.TryDequeue([ref] $currentItem) -eq $true)
    {
        try
        {
            # Add result to OutBag
            $result = SomeFunction -SampleParam $currentItem -EA Stop
            $outBag.Add( $result )
        }
        catch
        {
            # Catch error
            Write-Output $_.Exception.ToString()
        }
    }
}

$inData = [System.Collections.Concurrent.ConcurrentQueue[string]]::new(
    [String[]](@(1..10000) | % { return [guid]::NewGuid().ToString() }) # Sample strings in lower case
    )

$resultData = [System.Collections.Concurrent.ConcurrentBag[string]]::new()

# Wait for queue to empty
$i_cur = $inData.Count
$i_max = $i_cur

# Start jobs
$jobs = @(1..20) | % { Start-RSJob -ScriptBlock $JobScript -ArgumentList @($inData, $resultData) -FunctionsToImport @('SomeFunction') }

# Wait queue to empty
while($i_cur -gt 0)
{
    Write-Progress -Activity 'Doing job' -Status "$($i_cur) left of $($i_max)" -PercentComplete (100 - ($i_cur / $i_max * 100))
    Start-Sleep -Seconds 3 # Update frequency
    $i_cur = $inData.Count
}

# Wait jobs to complete
$logs = $jobs | % { Wait-RSJob -Job $_ } | % { Receive-RSJob -Job $_  }
$jobs | % { Remove-RSJob -Job $_ }
$Global:resultData = $resultData
$Global:logs = $logs