function Add-Zip
{
    param([string]$zipfilename)

    if(-not (test-path($zipfilename)))
    {
        set-content $zipfilename ("PK" + [char]5 + [char]6 + ("$([char]0)" * 18))
        (dir $zipfilename).IsReadOnly = $false
    }

    $shellApplication = new-object -com shell.application
    $zipPackage = $shellApplication.NameSpace($zipfilename)

    foreach($file in $input)
    {
            $zipPackage.CopyHere($file.FullName)
    }
}
cd C:\\logYzm
$z="$env:TMP\t.zip"
del $z
Get-ChildItem C:\\logYzm\\yzmService*|Add-Zip $z
$ws = New-Object System.Net.WebClient
$ws.UploadString($url, "PUT", "testdata")
$ws.Dispose()
del $z