Splitting commands in plugins

plugins/9gag.lua

@@ -0,0 +1,29 @@
+
+function get_9GAG()
+   b = http.request("http://api-9gag.herokuapp.com/")
+   local gag = json:decode(b)
+   math.randomseed(os.time())
+   i = math.random(#gag) -- random max json table size (# is an operator o.O)
+   local link_image = gag[i].src
+   local title = gag[i].title
+   if link_image:sub(0,2) == '//' then
+      link_image = msg.text:sub(3,-1)
+   end
+   return link_image, title
+end
+
+function run(msg, matches)
+  local receiver = get_receiver(msg)
+  url, title = get_9GAG()
+  file_path = download_to_file(url)
+  send_photo(receiver, file_path, ok_cb, false)
+  return title
+end
+
+return {
+    description = "send random url image from 9gag", 
+    usage = "9gag",
+    regexp = "^9gag$", 
+    run = run 
+}
+