Powerpoint 2016 Standardeinstellungen für alle aktuellen und zukünftigen Präsentationen vornhemen

param(
    [parameter(mandatory=$true)][string]$folder
)

if ($PSVersionTable.PSVersion.Major -lt 3){write-host "ERROR: Minimum Powershell Version 3.0 is required!" -F Yellow; return}  

Add-Type -A System.IO.Compression
Add-Type -A System.IO.Compression.FileSystem

gci "$folder\*" -Include *.pptx -File -Recurse | %{  
    write-host "Disable image compress option in file: '$($_.FullName)' ... " -F Green -NoNewline  
    $zip = [System.IO.Compression.ZipFile]::Open($_.Fullname,[System.IO.Compression.ZipArchiveMode]::Update)
    
    $del = @()
    $entries = $zip.Entries | ?{$_.Fullname -match 'ppt\/(presentation|presProps)\.xml$'}  
    $entries | %{
        $tmp = "$env:TEMP\$($_.Name)"  
        [System.IO.Compression.ZipFileExtensions]::ExtractToFile($_,$tmp,$true)
        $xml = New-Object XML
        $xml.Load($tmp)
        switch ($_.Name){
            'presentation.xml' {  
                $xml.presentation.SetAttribute("autoCompressPictures",0)  
            }
            'presProps.xml' {  
                $xml.presentationPr.extLst.ext | ?{$_.uri -eq '{D31A062A-798A-4329-ABDD-BBA856620510}'} | %{$_.defaultImageDpi.val = "220"}  
            }
        }
        $xml.Save($tmp)
        [System.IO.Compression.ZipFileExtensions]::CreateEntryFromFile($zip,$tmp,$_.Fullname) | out-null
        $del += $_
        remove-item $tmp -Force
    }
    $del | %{$_.Delete()}
    $zip.Dispose()
    Write-Host "Done." -F Green  
}

powershell -Command "&'C:\script.ps1' -folder 'D:\Präsentationen'"  

"C:\script.ps1" -folder "D:\Präsentationen"