function New-Share ($foldername,$sharename) { 
    if (!(test-path $foldername)) { 
        new-item $foldername -type Directory } 
 
    if (!(get-wmiObject Win32_Share -filter “name='$sharename'”)) { 
        $shares = [WMICLASS]”WIN32_Share”
 
        if ($shares.Create($foldername,$sharename,0).ReturnValue -ne 0) {
            throw "Failed to create file share '$sharename'"
        }
    }    
}