We will make an asset folder and show its contents here. One file will be a csv file to be read, the other an html file that can read it. github 
pages/simple-csv-reader
The read-csv.html script will run here each time this page is rendered. If you add a new csv file, redisplay this page to see it. See Read Any Asset
http://ward.dojo.fed.wiki/assets/pages/simple-csv-reader/read-csv.html HEIGHT 400
The Frame plugin offers various ways to reach out into wiki from an html script.
The Frame plugin renders an html page within a wiki page. More important, it also runs any javascript present within a sandbox where there is little opportunity to do harm. The Frame plugin can interact with the lineup on behalf of sandboxed javascript.