Papierkörbe einer WebApplication Auflisten & Löschen

​Zur "Bereinigung" einer WebApplication kann man dann- und wann mal die Paprierkörbe ansehen und-/oder löschen.

Ich habe da mal ein keines Skript dazu Vorbereitet:

<# 
.SYNOPSIS  
    List or Remove elements from RecycleBin(s) of a WebApplication 
.DESCRIPTION  
    This script lists- and optionally removes all items from all RecycleBins 
    of a WebApplication, including the End-Users (1st Stage) and 
    Administrators (2nd Stage) RecycleBins.
.NOTES  
    File Name  : Delete-Site-Recycle-Bin.ps1  
    Author     : Nils Andresen - nils.andresen@adesso.de    
.Example
    .\Empty-SPRecycleBin.ps1 -WebApp http://sp.dev/ -FirstStageCleanup RemovePermanent -SecondStageCleanup RemovePermanent
    Removes all deleted items (1st and 2nd stage) from all Sites/Webs of the WebApplication
#>
[CmdletBinding()]
param(
    [Parameter(Mandatory=$True, HelpMessage = "Url to the WebApp")]
    [string]$WebApp,
 
    [Parameter(HelpMessage = "What to do with the 1st-stage Recycle Bins")]
    [ValidateSet("ListOnly", "MoveTo2nd", "RemovePermanent")]
    [string]$FirstStageCleanup = "ListOnly",
 
    [Parameter(HelpMessage = "What to do with the 2nd-stage Recycle Bins")]
    [ValidateSet("ListOnly", "RemovePermanent")]
    [string]$SecondStageCleanup = "ListOnly"
)
 
if((Get-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue) -eq $null) {
    Add-PSSnapin Microsoft.SharePoint.PowerShell
}
 
$Global:TotalRemovedSize = 0;
 
function Format-ForPc {
[CmdletBinding()]
param(
    [Parameter(Position=0, 
        Mandatory=$true, 
        ValueFromPipeline=$true,
        ValueFromPipelineByPropertyName=$true)]
    [int]$size
)
    if($size -lt 1MB) {
        return "{0:0.0#}KB" -f ($size / 1KB);
    } 
    if($size -lt 1GB) {
        return "{0:0.0#}MB" -f ($size / 1MB);
    } 
    if($size -lt 1TB) {
        return "{0:0.0#}GB" -f ($size / 1GB);
    } 
    return "{0:0.0#}TB" -f ($size / 1TB);
}
 
function Process-Web {
[CmdletBinding()]
param(
    [Parameter(Position=0, 
        Mandatory=$true, 
        ValueFromPipeline=$true,
        ValueFromPipelineByPropertyName=$true)]
    [Microsoft.SharePoint.SPWeb[]]$web
)
Process {
    Write-Verbose "Accessing Web: $($web.Url)";
 
    if((-not $web.RecycleBinEnabled) -or ($web.RecycleBin.Count -lt 1)) {
        return;
    }
    $size = 0;
    $web.RecycleBin | %{ $size += $_.Size }
 
    Write-Output "Web $($web.Title) has $($web.RecycleBin.Count) items ($($size | Format-ForPc)) in Users-RecycleBin";          
         
    switch ($FirstStageCleanup) {
        "ListOnly" {
            $web.RecycleBin | %{ Write-Output "- $($_.ItemType):$($_.Title) ($($_.Size | Format-ForPc), Deleted by $($_.DeletedByName))" }
        }
        "RemovePermanent" {
            $web.RecycleBin.DeleteAll();
            $Global:TotalRemovedSize += $size;
            Write-Output "- Deleted permanently";
        }
        "MoveTo2nd" {
            $web.RecycleBin.MoveAllToSecondStage();
            Write-Output "- Moved to second stage";
        }
    }
}
}
 
function Process-Site {
[CmdletBinding()]
param(
    [Parameter(Position=0,
        Mandatory=$true, 
        ValueFromPipeline=$true,
        ValueFromPipelineByPropertyName=$true)]
    [Microsoft.SharePoint.SPSite[]]$site
)
Process {
    Write-Verbose "Accessing Site: $($site.Url)";
 
    $secondStage = $site.RecycleBin | ? { $_.ItemState -eq [Microsoft.SharePoint.SPRecycleBinItemState]::SecondStageRecycleBin }
 
    $site.AllWebs | Process-Web
 
    if($secondStage.length -lt 1) {
        return;
    }
    $size = 0;
    $secondStage | %{ $size += $_.Size }
 
    Write-Output "Site $($site.Title) ($($site.Url)) has $($secondStage.Length) items ($($size | Format-ForPc)) in Admin-RecycleBin";          
 
    switch ($SecondStageCleanup) {
        "ListOnly" {
            $secondStage | %{ Write-Output "- $($_.ItemType):$($_.Title) ($($_.Size | Format-ForPc), Deleted by $($_.DeletedByName))" }
        }
        "RemovePermanent" {
            $secondStage | %{ $_.Delete(); }
            $Global:TotalRemovedSize += $size;
            Write-Output "- Deleted permanently";
        }
    }
}
}
 
 
$sa = Start-SPAssignment
$w = Get-SPWebApplication $WebApp -AssignmentCollection $sa;
$w.Sites | Process-Site;
Stop-SPAssignment $sa
if($SecondStageCleanup -eq "RemovePermanent" -and $FirstStageCleanup -eq "MoveTo2nd") {
    Write-Warning "The selected combination of removing from second stage and moving from first to second possibly leaves items undeleted."
}
if($Global:TotalRemovedSize -gt 0) {
    Write-Output "$($Global:TotalRemovedSize | Format-ForPc) were removed permanently.";
}

asdf