Random wallpaper

rc.lua

@@ -1,5 +1,6 @@
 local os = require('os')
 local math = require('math')
+math.randomseed(os.time())
 
 -- Standard awesome library
 local gears = require("gears")

themes/default/theme.lua

@@ -76,7 +76,20 @@ theme.titlebar_maximized_button_focus_inactive  = "/usr/share/awesome/themes/def
 theme.titlebar_maximized_button_normal_active = "/usr/share/awesome/themes/default/titlebar/maximized_normal_active.png"
 theme.titlebar_maximized_button_focus_active  = "/usr/share/awesome/themes/default/titlebar/maximized_focus_active.png"
 
-theme.wallpaper = os.getenv('HOME') .. "/.config/awesome/Wallpapers/kuala.png"
+function getrandomwallpaper()
+    local wallpaperdir = os.getenv('HOME') .. '/.config/awesome/Wallpapers/'
+    local i, t, popen = 0, {}, io.popen
+    local pfile = popen('ls -a "'.. wallpaperdir .. '"')
+    for filename in pfile:lines() do
+        i = i + 1
+        t[i] = filename
+    end
+    pfile:close()
+    return wallpaperdir .. t[math.random(1, i)]
+end
+
+theme.wallpaper = getrandomwallpaper()
+-- theme.wallpaper = os.getenv('HOME') .. "/.config/awesome/Wallpapers/kuala.png"
 
 -- You can use your own layout icons like this:
 theme.layout_fairh = "/usr/share/awesome/themes/default/layouts/fairhw.png"