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Stephen Downes

Knowledge, Learning, Community

OPML Generator

Jan 08, 2004

This is very cool. OPML stands for Outline Processer Markup Language. It's a type of XML format used to make lists, such as the list of websites you read or RSS feeds you subscribe to. A number of RSS headline readers have started generating OPML files so people can share their reading lists - if you have an RSS reader you can find out how to locate your OPML file here. Then, the missing link: Dave Winer set up a site where people can submit links to their OPML files. The site harvests them and creates subscription lists for each weblog! Outstanding!

CRLFCRLFAs Alan Levine summarizes, "And that is where Dave's experiment is hitting a cool chord. At the Share your OMPL site there are more than 140 different sets of OPML files contributed. As a larger aggregate of what people are reading in their RSS tools, there are some interesting slices of looking at the world of feeds. There is popularity, the top 100 feeds. You can use other people's feeds to see who a particular person has on their roll. And very very cool, you can use the site to find among those listed who has a subscription to a specific RSS feed URL...."

CRLFCRLFI've spent the day playing with all this (instead of fixing my website like I said I would). First of all, I created an Edu_RSS OPML file. This was needed not only to share my list of feeds, but to generate a working example of an OPML file everybody can see (examples are a bit hard to find). Then I created an account at Feeds.Scripting.Com and registered myself and my feed. So now I can see who subscribes to OLdaily via RSS and the list of my own subscriptions. Great stuff!

CRLFCRLFBut wait, there's more. Not everybody uses an RSS headline reader to read websites and blogs - I know thousands of people read OLDaily by email. And not everybody has a website. No problem. I created a super-easy OPML generator that you can use to create your own reading list and send it to Feeds.Scripting.Com, even if you don't use a headline reader and even if you don't have a website. Moreover, I am releasing the source code as open source (GPL) software, free to anyone who wants it. So now anybody who wants to share their reading lists can do it quickly and efficiently.

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Stephen Downes Stephen Downes, Casselman, Canada
stephen@downes.ca

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