Display specials link in header only when one or more specials exist

[cheesypeas]

As the title suggests I would like to add a specials link in the header however it must only display when one or more special offers exist.

 

Basically the code below when placed in the header will display a link to the specials page, but can someone help with the if statement that is required to only display the link when one or more specials exist?

 

<?php

echo '<a href="' . tep_href_link(FILENAME_SPECIALS) . '">' . MODULE_BOXES_SPECIALS_BOX_TITLE . '</a>';

?>

[cheesypeas]

Oh! I forgot to mention that I am using version 2.3.1