title: Render a partial from a task in Symfony 1.4
body: <p>I'm trying to render a partial in a Symfony task and having no luck.  I found docs in 1.1 that say to just call <code>get_partial()</code> but apparently that's no longer readily available in 1.4.  I tried loading the helper manually with <code>sfLoader::getHelpers('Partial');</code> but I get "Class sfLoader not found".  Any help would be greatly appreciated.</p>
  
  <p>For reference what I'm trying to do is generate an HTML file called 'header.html' from my global header partial used in all of my layouts for inclusion in a third-party forum I'm integrating (Simple Machines/SMF).</p>