I built a command line tool in Rust over the weekend. It facilitates generation of RSS feeds from web pages where the elements to extract are selected via CSS selectors. https://www.wezm.net/v2/posts/2022/generate-rss-from-webpage/
This is a static archive of wezm@decentralised.social
https://mastodon.decentralised.social/@wezm is now my primary account