I found an excuse to blog about XML again! Yes, RSS feeds are in practice XML, but for most people, that’s not why they are cool. An RSS (really simple syndication) feed is metadata about all, or the most recent posts published by a website: publication date, content or summary, etc. Much handier in my opinion to use that to get updates among Twitter “noise”.
RSS feed example Have a look at the RSS feed for this blog over at https://masalmon.
One of my favorite tool is XPath, the query language for exploring XML and HTML trees. In this post, I will highlight a few use cases of this “angle-bracket crunching tool” and hope to convince you that it’s an awesome thing to know about and play with.
Many thanks to Christophe Dervieux for useful feedback on this post! Mille mercis !
Brief intro to XPath in R Say I have some XML,