GPL-3.0-only licensed by Matthias Herrmann
This version can be pinned in stack with:scrape-changes-,2845

Module documentation for

This library scrapes websites and invokes callbacks when there are changes, similar to a RSS reader. Sending an email by invoking sendmail is a built-in callback mechanism. Of course, users can provide their own callback function in addition.

Look at Network.ScrapeChanges for a full working example on how to use "scrape-changes".