$ erubis -X example11.rhtml
_buf = '';





     if @list.nil? || @list.empty? 

     else 


         @list.each_with_index do |item, i| 
                      _buf << ( i % 2 == 0 ? '#FCC' : '#CCF' ).to_s;
               _buf << ( item ).to_s;

         end 


     end 


_buf.to_s