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app.rb

@@ -0,0 +1,20 @@
+require 'sinatra'
+require 'tilt/erb'
+
+
+set :public_folder, 'public'
+
+class CorgBotApp < Sinatra::Base
+    get '/' do
+        extensions = ['.png', '.jpg', '.jpeg', '.gif']
+        images = Dir.entries('public/images').delete_if { |x|
+            extension = x[-4, 4]
+            !extensions.index(extension)
+        }
+
+        corgi = images[rand(images.length)]
+        erb :index, :locals => {
+            :corgi => corgi
+        }
+    end
+end