www/project/icla2/main.rb (10 lines of code) (raw):
#!/usr/bin/env ruby
require 'sinatra'
get '/' do
erb :index
end
# The submit button causes a POST to /answer, see below
get '/form' do
erb :form
end
# The data from the form will be passed parameters as e.g. params[:name]
post '/answer' do
erb :answer
end