Viele Verzeichnisse zu separater ISO mit PowerShell machbar?

# Oberordner der die Ordner enthält die jeweils zu einer ISO werden.
$rootfolder = 'D:\ISO'  

function New-IsoFile {
  Param( 
    [parameter(Position=1,Mandatory=$true,ValueFromPipeline=$true)]$Source,
    [parameter(Position=2)][string]$Path,
    [ValidateSet('CDR','CDRW','DVDRAM','DVDPLUSR','DVDPLUSRW','DVDPLUSR_DUALLAYER','DVDDASHR','DVDDASHRW','DVDDASHR_DUALLAYER','DISK','DVDPLUSRW_DUALLAYER','BDR','BDRE')][string]$Media = 'DVDPLUSRW_DUALLAYER',   
    [string]$Title = ""  
  ) 
 
  Begin {  
    ($cp = new-object System.CodeDom.Compiler.CompilerParameters).CompilerOptions = '/unsafe'   
    if (!('ISOFile' -as [type])) {    
      Add-Type -CompilerParameters $cp -TypeDefinition @'   
public class ISOFile  
{ 
  public unsafe static void Create(string Path, object Stream, int BlockSize, int TotalBlocks)  
  {  
    int bytes = 0;  
    byte buf = new byte[BlockSize];  
    var ptr = (System.IntPtr)(&bytes);  
    var o = System.IO.File.OpenWrite(Path);  
    var i = Stream as System.Runtime.InteropServices.ComTypes.IStream;  
  
    if (o != null) { 
      while (TotalBlocks-- > 0) {  
        i.Read(buf, BlockSize, ptr); o.Write(buf, 0, bytes);  
      }  
      o.Flush(); o.Close();  
    } 
  } 
}  
'@    
    } 
 
    $MediaType = @('UNKNOWN','CDROM','CDR','CDRW','DVDROM','DVDRAM','DVDPLUSR','DVDPLUSRW','DVDPLUSR_DUALLAYER','DVDDASHR','DVDDASHRW','DVDDASHR_DUALLAYER','DISK','DVDPLUSRW_DUALLAYER','HDDVDROM','HDDVDR','HDDVDRAM','BDROM','BDR','BDRE')   
    $Image = New-Object -com IMAPI2FS.MsftFileSystemImage -Property @{VolumeName=$Title}
    $image.ChooseImageDefaultsForMediaType($MediaType.IndexOf($Media))
    $Target = New-Item -Path $Path -ItemType File -Force -ErrorAction SilentlyContinue
    if (!$target) { 
        Write-Error -Message "Kann Datei $Path nicht erstellen."  
        break
    } 
  }  
 
  Process { 
    foreach($item in $Source) { 
      if($item -isnot [System.IO.FileInfo] -and $item -isnot [System.IO.DirectoryInfo]) { 
        $item = Get-Item -LiteralPath $item 
      } 
 
      if($item) { 
        try { 
            $Image.Root.AddTree($item.FullName, $true) 
        } catch { 
            Write-Error -Message ($_.Exception.Message.Trim() + ' Anderen Medientyp ausprobieren.')   
        } 
      } 
    } 
  } 
 
  End {  
    $Result = $Image.CreateResultImage()
    [ISOFile]::Create($Target.FullName,$Result.ImageStream,$Result.BlockSize,$Result.TotalBlocks) 
    $Target
  } 
} 

# Alle Ordner der ersten Ebene des Rootfolders verarbeiten (Jeder Ordner stellt den Inhalt jeder ISO dar)
Get-Childitem $rootfolder -Directory | %{
    $ISOPATH = "$rootfolder\$($_.Name).iso"  
    write-host "Erstelle ISO '$ISOPATH' aus Ordner '$($_.Fullname)'." -F Green  
    # erstelle ISO mit dem Namen des Ordners + .iso und dem Inhalt des Ordners im Rootfolder
    Get-ChildItem $_.Fullname -Force | New-IsoFile -Path $ISOPATH -Title $_.Name | out-null
}