[luci] Getting UCI configuration data

[Jo-Philipp Wich]

Hi Matt,

your approach is fine, you just overlooked the fact that the "system"
section is anonymous so you cannot reference it by name.

The correct way would be:

  local hostname
  luci.model.uci.cursor():foreach("system", "system",
    function(s) hostname = s.hostname end)
  print(hostname)

Since this is often needed, we added a shortcut doing exactly that:

  local hostname = luci.model.uci.cursor():get_first("system", "system", "hostname")
  print(hostname)

See also http://luci.subsignal.org/api/luci/modules/luci.model.uci.html#Cursor.get_first

Also not that it must be  <%= expression %> instead of <% expression %>
if you want the result to be written onto the page.

Regards,
Jow