Written April 14, 2012 updated: April 27, 2012 This is a complete guide to using HXT for parsing and processing HTML in Haskell. What is HXT? HXT is a collection of tools for processing XML with Haskell. It's a complex beast, but HXT is powerful and flexible, and very elegant once you know how to use it. Why HXT? Here's how HXT stacks up against some other XML parsers: HXT vs TagSoup TagSoup is th
Written March 10, 2012 updated: April 16, 2012 Introduction Let's make a concurrent web scraper! We will use Haskell, because it allows easy concurrency. We will use the HXT library to do the scraping. If you want to follow the HXT bits, you should be comfortable with Arrows in Haskell. If you're not, take a moment to read up on Arrows. If you don't care about the scraping bits, jump straight to t
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