local srv_ver_cmd = [[/usr/lib/ddns/dynamic_dns_updater.sh --version | awk {'print $2'}]]
local app_name = "luci-app-ddns"
local app_title = "Dynamic DNS"
-local app_version = "2.3.0-1"
+local app_version = "2.3.1-1"
function index()
local nxfs = require "nixio.fs" -- global definitions not available