weather: added failsafe check; #105

[etc/awesome.git] / widgets / sysload.lua

diff --git a/widgets/sysload.lua b/widgets/sysload.lua
index 6167d82838f12dd0c83df2459762730ac1d21aa1..144ad0cf4d143f9e050876b8813615463db4a3c5 100644 (file)
--- a/widgets/sysload.lua
+++ b/widgets/sysload.lua
@@ -11,9 +11,8 @@ local newtimer     = require("lain.helpers").newtimer
 
 local wibox        = require("wibox")
 
-local io           = io
-local string       = { format = string.format,
-                       match  = string.match }
+local io           = { open = io.open }
+local string       = { match  = string.match }
 
 local setmetatable = setmetatable
 
@@ -21,26 +20,26 @@ local setmetatable = setmetatable
 -- lain.widgets.sysload
 local sysload = {}
 
-function worker(args)
+local function worker(args)
     local args = args or {}
     local timeout = args.timeout or 5
     local settings = args.settings or function() end
 
-    widget = wibox.widget.textbox('')
+    sysload.widget = wibox.widget.textbox('')
 
     function update()
         local f = io.open("/proc/loadavg")
-        local ret = f:read("*all")
+        local ret = f:read("*a")
         f:close()
-        
-        a, b, c = string.match(ret, "([^%s]+) ([^%s]+) ([^%s]+)")
 
+        load_1, load_5, load_15 = string.match(ret, "([^%s]+) ([^%s]+) ([^%s]+)")
+
+        widget = sysload.widget
         settings()
     end
 
     newtimer("sysload", timeout, update)
-
-    return widget
+    return sysload.widget
 end
 
 return setmetatable(sysload, { __call = function(_, ...) return worker(...) end })