how make a link to html file

Hi ...
i want to make link to html file.which i have in my rails application
below is my source genearted by html.
but when i click the link i get error => Firefox doesn't know how to
open this address, because the protocol (d) isn't associated with any
click here </a>

my actual code is<%file_path.each do |f|%>

<a href="<%= RAILS_ROOT + f %>"> click here </a>



Do you really want to print links to local files?
Well, you are missing a file:// in you href attribute.

ciao, tom