ESF
Are you also fed up with the continuing war between RSS 0.9* and 1.0 and 2.0 and whatever else they invent today?
Me too.
So today I invented the Epistula Syndication Format. ESF. It isn't XML. It isn't RDF. It's just data. Quick, reliable, and I'm never going to change the spec in such a way as to break the previous version. Ever. Promise. It's staying that way. Even Shelly could use it :-)
ESF, the Epistula Syndication Format, is a really simple format for publishing links to the last few items on any given topic, on any given website. The format is as follows:
Mime Type
ESF should be served as text/plain
Comments:
Every line starting with a "#" is a comment.
Metadata:
From the start of the file (excluding comments) begins the meta data, in the format field, tab, data. Valid fields are:
- title
- the title of the feed/site
- contact
- a contact address for the site or the feed, must be in the form "
email_address (Name)" - link
- The home page of the feed's data.
The end of the data is signified by a newline charecter.
All metadata is optional. Two newlines in sucession designate the end of the metadata, then the content begins.
Content is of the form "date(tab)title(tab)link(newline)". End of file marks the end of content, date is in Unix timestamp (seconds since the epoch) format. Clarification: Links work in the same way as browser-links do. If you define a scheme (http://) they are absolute, otherwise relative)
Example Feed:
(Example feeds can be found at http://www.aquarionics.com/meta/, all the feeds ending in .esf are ESF feeds :-))#Aquarionics Newsfeed, in Episula Syndication Feed format (ESF) #http://www.aquarionics.com/nodes/index.php?name=esf title Aquarionics contact aquarion@aquarionics.com (Aquarion) link http://www.aquarionics.com/ 1032882396 Pong http://www.aquarionics.com/index.php?id=739 1032649452 Death. http://www.aquarionics.com/index.php?id=731 1032614009 Which Blogging Tool? http://www.aquarionics.com/index.php?id=729 1032329703 Interesting Weblogs http://www.aquarionics.com/index.php?id=722 1032267337 Chocolate http://www.aquarionics.com/index.php?id=720 1032258909 Do spiders make chutney? http://www.aquarionics.com/index.php?id=719 1032199993 Memeping http://www.aquarionics.com/index.php?id=716
No readers yet exist. As they do, and I'm told about them, they will be listed here.
Update as of 2002-09-26:
Freaky responce, I have to say. Part of which is Jonathon Delacour creating an icon for it for it. See http://weblog.delacour.net/archives/000712.html
More updates: Now is there a Perl ESF Module. MT still doesn't support it, though :)
2004-01-21
And it goes on. Kevin released the Epoch mod for Movable Type which allows MT users to make proper ESF feeds, the reader R3R is designed with ESF in mind (And does what my own RSS reader does not, and supports it. This is kind of strange, but never mind)
![[RSS Icon]](/assets/images/buttons/rss2.gif){kind=small}
![[ESF Icon]](/assets/images/buttons/esf.gif){kind=small}
![[CDF Icon]](/assets/images/buttons/cdf.gif){kind=small}
Morten Frederiksen:
How should tab characters in titles be encoded/escaped?
mados:
There is no need to escape tab characters because only the first tab character have a special meaning. The format is “field, tab, data” where data could be anything except for newline characters. To talk in PHP: list($field, $data) = explode(”t”, $line, 2);
amy:
EPS Parser Module for Perl
,
EPS test. I suck at Perl, but hey, it’s something :)
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sungo:
> More updates: Now is there a Perl ESF Module. MT still doesn’t support it, though :)
would you like it to?
David Russell:
I’ll install a plugin to make my blog support it, the more feeds the merrier!
Maker:
Where I can buy book about ESF for low price?
Aubrey Gentry:
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http://www.casadebalboa.com/The University of Michigan Biological Station (UMBS)