$ erubis -l scheme example.escheme
(let ((_buf '())) (define (_add x) (set! _buf (cons x _buf))) (_add "<html>
 <body>\n")

(let ((user "Erubis")
      (items '("<aaa>" "b&b" "\"ccc\""))
      (i 0))
 
(_add "  <p>Hello ")(_add user)(_add "!</p>
  <table>\n")

  (for-each
   (lambda (item)
     (set! i (+ i 1))
 
(_add "   <tr bgcolor=\"")(_add (if (= (modulo i 2) 0) "#FFCCCC" "#CCCCFF"))(_add "\">
    <td>")(_add i)(_add "</td>
    <td>")(_add item)(_add "</td>
   </tr>\n")

   ) ; lambda end
   items) ; for-each end
 
(_add "  </table>\n")

) ; let end

(_add " </body>
</html>\n")
  (reverse _buf))
