net: move formatting out of the worker

net.lua

@@ -24,20 +24,21 @@ module("vicious.net")
 -- Initialise function tables
 local nets = {}
 
--- {{{ Net widget type
-local function worker(format)
-    -- Get /proc/net/dev
-    local f = io.open("/proc/net/dev")
-    local args = {}
-
+-- {{{ Helper functions
 local function uformat(array, key, value)
     array["{"..key.."_b}"]  = string.format("%.1f", value)
     array["{"..key.."_kb}"] = string.format("%.1f", value/1024)
     array["{"..key.."_mb}"] = string.format("%.1f", value/1024/1024)
     array["{"..key.."_gb}"] = string.format("%.1f", value/1024/1024/1024)
-
     return array
 end
+-- }}}
+
+-- {{{ Net widget type
+local function worker(format)
+    -- Get /proc/net/dev
+    local f = io.open("/proc/net/dev")
+    local args = {}
 
     for line in f:lines() do
         -- Match wmaster0 as well as rt0 (multiple leading spaces)