screen-scraper.ps1

cls
$folder='http://site/wp-content/uploads'

$webClient = New-Object System.Net.WebClient
$destinationFolder='C:\p2014'

#Get the file list from the web page
$webString = $webClient.DownloadString($folder)
$lines = [Regex]::Split($webString, "<li>")

    #Parse each line, looking for files and folders
    foreach ($line in $lines) {
        

        if ($line.ToUpper().Contains(".MP3")) {

                            
           $items =[Regex]::Split($line, """")
           $item = $items[1]

           #Write-Output $item
                      

           if($item.StartsWith("14")) {

                $url=($folder + '/' + $item);
                $destination=($destinationFolder + '\' + $item);

                Write-Output $url
 
                $webClient.DownloadFile($url, $destination)
 
           }
                
      }
 }