gistfile1.txt

<% 
mode    = 0
mode   |= 1 if local_assigns.include?(:phone)
mode   |= 2 if local_assigns.include?(:location)
suffix  = [ '', '_dual', '_dual', '_triple' ][ mode ]
%>
  <ul class="profile_info<%= suffix>">
    <li><%= link_to(fb_name(owner, :use_you => false, :linked => false), owner) %></li>
    <% if mode == 1 %>
    <li><%= location %></li>
    <% end %>
    <% if mode == 1 or mode == 2 %>
    <li class="phone"><%= phone %></li>
    <% end %>
  </ul>