Datum aus Dateiname.pdf auslesen und in neuen Ordner nach Monat speichern

$source = "C:\Quelle"  
$destination_base = "C:\Ziel"  

# Get all PDF files in the source path recursively
Get-ChildItem -Path $source -File -Filter *.pdf -Recurse | ForEach-Object {
    # Check if the file name contains the pattern dd.mm.yy (day.month.year)
    if ($_.BaseName -match '\d{2}\.\d{2}\.\d{2}') {  
        # Extract the day, month, and year from the file name
        $matches = [regex]::matches($_.BaseName, '\d{2}\.\d{2}\.\d{2}')  
        $date = $matches[0].Value
        $day, $month, $year = $date -split '\.'  

        # Debugging: Output the extracted date parts
        Write-Output "Found file: $($_.Name) with date: $day.$month.$year"  

        # Create the destination directory path using the month and year
        $destinationPath = Join-Path -Path $destination_base -ChildPath "$month-$year"  

        # Create the destination directory if it doesn't exist 
        if (-not (Test-Path -Path $destinationPath)) {
            Write-Output "Creating directory: $destinationPath"  
            New-Item -ItemType Directory -Path $destinationPath -Force | Out-Null
        }

        # Move the file to the destination directory
        Write-Output "Moving file: $($_.FullName) to $destinationPath"  
        Move-Item -Path $_.FullName -Destination $destinationPath -Verbose
    } else {
        # Debugging: Output if the file does not match the date pattern
        Write-Output "File $($_.Name) does not match the date pattern"  
    }
}