## mark a section (Learn more)

class PagesController < ApplicationController verify :params => :name, :only => :show, :redirect_to => :root_url before_filter :ensure_valid, :only => :show def show render :template => "pages/#{current_page}" end protected def current_page params[:name].to_s.downcase end def ensure_valid unless template_exists?("pages/#{current_page}.html.erb") render :nothing => true, :status => 404 and return false end end end

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