$TopLevelDir = ""

#Find subdirectories with files
$Items = Get-ChildItem $TopLevelDir | Where-Object Attributes -ne Directory | Select-Object DirectoryName,Name,Length

#Find empty subdirectories
$Directories = Get-ChildItem $TopLevelDir | Where-Object Attributes -eq Directory

$EmptyDirs = New-Object System.Collections.Generic.List[Object]
ForEach ($Directory in $Directories) {
    If ($Directory.EnumerateFiles().Exists -eq $null) {
        $EmptyDirs.Add($Directory)
    }
    Else {
        Write-Verbose "$Directory contains files"
    }
}

#Remove empty directories - to do