$user = "downloadusr"
$pass = "Str0ngPassw0RD"

$scriptsurl = "http://foo.bar/scripts/"

$webclient = new-object System.Net.WebClient
$credCache = new-object System.Net.CredentialCache
$creds     = new-object System.Net.NetworkCredential($user,$pass)
$credCache.Add($scriptsurl, "Basic", $creds)
$webclient.Credentials = $credCache

$scriptdir  = "C:\scripts\"
$scriptlist = $scriptsurl+"filelist.csv"
$filelist   = Import-Csv filelist.csv -Delimiter ";"
$webclient.DownloadFile("$scriptlist","filelist.csv")


if (!(test-path $scriptdir)){
New-Item -ItemType "directory" -Path $scriptdir
}


foreach ($file in $filelist)
{
$scriptfile = $scriptdir+$file.filename
    if (!(Test-Path $scriptfile))
    {
    Write-Verbose "File $file.filename does not exist"
    $webclient.DownloadFile($scriptsurl+$file.filename,$scriptfile)
    }
}
else
{

$remoteversion = $webclient.DownloadString($scriptsurl+$file.filename)[2]
$localversion  = (Get-Content $scriptfile)[1]

If ($localversion -ne $remoteversion)
{
write-Verbose "file $file.filename out of date"
$webclient.DownloadFile($scriptsurl+$file.filename,$scriptfile)
}


}