Automating OneDrive for Business Downloads using PowerShell

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#Author: Adnan Amin
#blog: Https://mstechtalk.com
#Downloading files from OneDrive to local machine
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$webUrl = "https://mstalk-my.sharepoint.com/personal/<user>_mstechtalk_com";
$listUrl = "Documents";
$destination = "D:\test"


#Connect-PnPOnline -Url $webUrl 
Connect-PnPOnline -Url $webUrl -Interactive
$web = Get-PnPWeb
$list = Get-PNPList -Identity $listUrl

function ProcessFolder($folderUrl, $destinationFolder) {
    $folder = Get-PnPFolder -RelativeUrl $folderUrl
    Get-PnPProperty -ClientObject $folder -Property Files

    if (!(Test-Path -path $destinationfolder)) {
        $dest = New-Item $destinationfolder -type directory 
    }

    $folder.Files | ForEach-Object {
        try {
            Write-Verbose "Copying file $($_.Name) at $destinationfolder"
            Get-PnPFile -ServerRelativeUrl $_.ServerRelativeUrl -Path $destinationfolder -FileName $_.Name -AsFile
        } catch {
            Write-Error "Failed to download file $($_.Name): $_"
        }
    }
}
function ProcessSubFolders($folders, $currentPath) {
    foreach ($folder in $folders) {        
        #Avoid Forms folders
        if ($folder.Name -ne "Forms") {
            $targetFolder = $currentPath +"\"+ $folder.Name;
            try {
                ProcessFolder $folder.ServerRelativeUrl.Substring($web.ServerRelativeUrl.Length) $targetFolder 
                $tempfolders = Get-PnPProperty -ClientObject $folder -Property Folders
                Write-Verbose "Processing folder: $folder.Name .. at $currentPath"
                ProcessSubFolders $tempfolders $targetFolder
            } catch {
                Write-Error "Failed to process folder $folder.Name: $_"
            }
        }
    }
}
ProcessFolder $listUrl $destination + "\" 
#Write-Host "listUrl: " $listUrl

#Download files in folders
$tempfolders = Get-PnPProperty -ClientObject $list.RootFolder -Property Folders
Write-Host "tempfolders: " $tempfolders
ProcessSubFolders $tempfolders $destination + "\"