readme updated

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

diff --git a/widgets/abase.lua b/widgets/abase.lua
index 8ffdf0ef052fb48b4608e1ea8d47d4e5f23c3509..60d86ab2fa44be30e333fbac69531194c5a12ada 100644 (file)
--- a/widgets/abase.lua
+++ b/widgets/abase.lua
@@ -12,8 +12,7 @@ local wibox        = require("wibox")
 
 local setmetatable = setmetatable
 
--- Basic template for custom widgets
--- Asynchronous version
+-- Basic template for custom widgets (asynchronous version)
 -- lain.widgets.abase
 
 local function worker(args)
@@ -27,10 +26,12 @@ local function worker(args)
 
     function abase.update()
         async.request(cmd, function(f)
-            output = f:read("*a")
-            f:close()
-            widget = abase.widget
-            settings()
+            output = f
+            if output ~= abase.prev then
+                widget = abase.widget
+                settings()
+                abase.prev = output
+            end
         end)
     end