aweswt fix from https://github.com/funkotron/awesome/blob/master/aweswt.lua

aweswt.lua

@@ -1,50 +1,66 @@
-   -- aweswt.lua
-   local io=io
-   local table=table
-   local pairs=pairs
-   local awful=awful
-   local client=client
-   local string=string
-   local USE_T=true
-   module("aweswt")
-   function get_out (a)
-       local  f=io.popen (a)
-       t={}
+-- aweswt.lua
+-- Application switcher using dmenu
+--
+local io        = io
+local table     = table
+local pairs     = pairs
+local awful     = awful
+local client    = client
+local string    = string
+local USE_NAME  = true
+
+module("aweswt")
+
+function get_out (a)
+	local  f = io.popen(a)
+	t = {}
 	for line in f:lines() do
-         table.insert(t, line )
+		table.insert(t, line)
 	end
 	return t
-   end
-   function get_input (a)
-     s1='echo -e "'..a..'"|dmenu -i'
-     return get_out(s1)
-   end
+end
 
-   function switch()
+function get_input (a)
+	local dmenu = "dmenu -nf '#888888' -nb '#222222' -sf '#ffffff' -sb '#285577' -p 'switch to application:' -fn 'Terminus 8'  -i"
+	s1 = 'echo "' .. a .. '" | ' .. dmenu
+	return get_out(s1)
+end
+
+function switch ()
 	local clients = client.get()
+
 	if table.getn(clients) == 0 then 
 		return
 	end
-      local m1=""
-      local t2={}
-      local tmp
-      for i, c in pairs(clients) do
-       if USE_T then do
-         tmp=i..':'..string.sub(c['name'], 1, 20)
-       end
-       else do
-         tmp=i..':'..c['instance']..'.'..c['class']
-       end
-       end
-         m1=m1..tmp..'\n'
-         t2[tmp]=c
-      end
-      local t6=t2[get_input(m1)[1]]
-      if t6 then
-         local ctags = t6:tags()
-         awful.tag.viewonly(ctags[1])
-         client.focus = t6
-         t6:raise()
-      end
+
+	local client_list_table = {}
+	local apps = {}
+
+	for key, client in pairs(clients) do
+		local app
+
+		if USE_NAME then
+			--app = key .. ':' .. string.sub(client['name'], 1, 20)
+			app = client['name']
+		else
+			app = key .. ':' .. client['instance'] .. '.' .. client['class']
 		end
 
+		table.insert(client_list_table, app)
+		apps[app] = client
+	end
+
+	table.sort(client_list_table, function(a, b)
+		return string.lower(a) < string.lower(b)
+	end)
+	local client_list = table.concat(client_list_table, "\n")
+
+	local client_selected = apps[get_input(client_list)[1]]
+	if client_selected then
+		local ctags = client_selected:tags()
+		awful.tag.viewonly(ctags[1])
+		client.focus = client_selected
+		client_selected:raise()
+	end
+end
+