Moves all files from "recup_*" folders from Photorec into folders named by the extension

sort_photorec_files_by_extension.ps1

$root = '/'
Set-Location -Path $root
$a = $(Get-ChildItem | Where-Object {$_.Name -like 'recup*'})
$totalfiles = 0
$filecount = 0
foreach ($folder in $a) {
    $totalfiles += $(Get-ChildItem $folder).Count
}

foreach ($folder in $a) {
    $files = Get-ChildItem $folder
    foreach ($file in $files) {
        $filecount++
        Write-Output ("Datei {0} von {1} wird verschoben..." -f $filecount,$totalfiles)
        $destinationDir = Join-Path -Path $root -ChildPath $file.Extension.Replace('.', '')
        if (-not (Test-Path -Path $destinationDir)) {
            New-Item -Path $destinationDir -ItemType Directory | Out-Null
        }
        Move-Item -Path $file -Destination $destinationDir
    }
    Remove-Item $folder
}