awesome: simplify format string generation of cpu widget

1 files changed, 5 insertions, 15 deletions

diff --git a/awesome/rc.lua b/awesome/rc.lua
index 5af88d9..1288238 100644
--- a/awesome/rc.lua
+++ b/awesome/rc.lua
@@ -172,26 +172,16 @@ for bat = 0, 1 do
     end
 end
 
-function cpu_string()
-    local f = io.open("/proc/cpuinfo", "r")
-    local n = 2
-    local result = " CPU:$2%"
-    if f then
-        f:read() -- skip first line/processor
-        for line in f:lines() do
-            m = string.match(line, "processor\t*: %d+")
-            if m then
-                n = n + 1
-                result = result .. "/$" .. n .. "%"
-            end
-        end
-        f:close()
+function cpu_string(widget, loads)
+    local result = " CPU:" .. loads[1] .. "%"
+    for cpu = 2, #loads-1 do
+        result = result .. "/" .. loads[cpu] .. "%"
     end
     return result .. " "
 end
 
 cpuwidget = wibox.widget.textbox()
-vicious.register(cpuwidget, vicious.widgets.cpu, cpu_string(), 2)
+vicious.register(cpuwidget, vicious.widgets.cpu, cpu_string, 2)
 
 -- Create a wibox for each screen and add it
 local taglist_buttons = awful.util.table.join(