-- Functions
function switch_tag (i)
   local screen = mouse.screen
   if tags[screen][i] then
      awful.tag.viewonly(tags[screen][i])
   end
end

function toggle_tag (i)
   local screen = mouse.screen
   if tags[screen][i] then
      awful.tag.viewtoggle(tags[screen][i])
   end
end

function move_to_tag (i)
   if client.focus and tags[client.focus.screen][i] then
      awful.client.movetotag(tags[client.focus.screen][i])
   end
end

function toggle_client_tag (i)
   if client.focus and tags[client.focus.screen][i] then
      awful.client.toggletag(tags[client.focus.screen][i])
   end
end

function fexists (n)
   local f = io.open(n)

   if f == nil then
      return false
   end

   io.close(f)
   return true
end

module("functions")