Better rc.lua

awesome/rc.lua

@@ -1,3 +1,5 @@
+os.setlocale("fr_FR.UTF-8")
+
 -- Standard awesome library
 local gears = require("gears")
 local awful = require("awful")
@@ -21,7 +23,6 @@ local calendar = require("calendar")
 home = "/home/thomas"
 
 os.execute('xset m 16/1 0')
-os.setlocale("fr_FR.UTF-8")
 
 -- awful.util.spawn_with_shell("xcompmgr -cF &")
 
@@ -63,8 +64,20 @@ end
 -- Themes define colours, icons, font and wallpapers.
 beautiful.init("~/.config/awesome/themes/default/theme.lua")
 
+function file_exists(name)
+   local f=io.open(name,"r")
+   if f~=nil then io.close(f) return true else return false end
+end
+
 function change_wallpaper(path)
-    theme.wallpaper = '/home/thomas/Pictures/Wallpapers/' .. path;
+    path = '/home/thomas/Pictures/Wallpapers/' .. path
+
+    if not file_exists(path) then
+        return
+    end
+
+    theme.wallpaper = path
+
     if beautiful.wallpaper then
         for s = 1, screen.count() do
             gears.wallpaper.maximized(beautiful.wallpaper, s, true)
@@ -72,9 +85,7 @@ function change_wallpaper(path)
     end
 end
 
--- if os.execute('check isin') then
+change_wallpaper('1200custom.png')
---     change_wallpaper('arch2.png');
--- end
 
 -- This is used later as the default terminal and editor to run.
 terminal = "terminator"