wifi.awesome.lua

function wifi_menu ()
    local wifis = {}
    local terms = {}
    
    local connected = false
    local connected_network = ""
    local connected_network_index = -1
   
    local fh = io.popen("netctl list")
    
    for l in fh:lines() do 
        wifis[#wifis+1] = l 
    end
    
    fh:close()
    
    for wifiCount = 1, #wifis do
        local symb = string.sub(wifis[wifiCount],1,1)
        if symb == "*" then
            connected = true
            connected_network = string.sub(wifis[wifiCount],2,-1)
            connected_network_index = #wifis
        end
    end
    
    for wifiCount = 1, #wifis do
        local command = ""
        if connected then 
            if wifiCount == connected_network_index then
                command = "gksu netctl restart " .. connected_network
            else
                command = "gksu netctl stop " .. connected_network .. " ; gksu netctl start " .. wifis[wifiCount]
            end
        else
            command = "gksu netctl start " .. wifis[wifiCount]
        end
    
        naughty.notify({text= command })
        terms[#terms+1] = {wifis[wifiCount], function() awful.util.spawn(command) end }
    end
    
    return terms
end      

mywifimenu = awful.menu(wifi_menu())