public_html/index.rhtml

<%
  page_title = 'Erubis Example Page'
%>
<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
    <title><%== page_title %></title>
    <style type="text/css">
      table.list {
        border-collapse: collapse;
      }
      table.list td, table.list th {
        border: solid 1px #999;
        padding: 2px 5px;
      }
      table.list th {
        background: #CCF;
        text-align: left;
        vertical-align: top;
      }
    </style>
  </head>
  <body>
    <h1><%== page_title %></h1>

    <h2>Ruby Information</h2>
    <table class="list">
      <% cont_names = ['RUBY_VERSION', 'RUBY_PATCHLEVEL', 'RUBY_PLATFORM', 'RUBY_RELEASE_DATE', 'RUBY_ENGINE'] %>
      <% cont_names.each do |name| %>
      <%   if Object.const_defined?(name) %>
      <tr>
        <th><%== name %></th><td><%== Object.const_get(name).inspect %></td>
      </tr>
      <%   end %>
      <% end %>
      <tr>
        <th>Erubis::VERSION</th><td><%== Erubis::VERSION.inspect %></td>
      </tr>
    </table>

    <h2>Environment Variables</h2>
    <table class="list">
      <% odd = false %>
      <% ENV.keys.sort.each do |k| %>
      <%   odd != odd %>
      <tr class="<%== odd ? 'odd' : 'even' %>">
        <th><%== k %></th><td><%== ENV[k].inspect %></td>
      </tr>
      <% end %>
    </table>

  </body>
</html>