Looking for plugin that will read from text/html file?

This plugin here looks like something I would use:
http://ww.wp.xz.cn/plugins/display-file-contents-widget/screenshots/

I want to use put certain updating code from the database in the footer of my template. I would just like to call that text/html file so it renders on the site. Is there anything out there that will allow me to point to a file and pull the data in?