Converting YAML to Jekyll collection

I was reading a blogpost by AetherAnne where she spent some time manually turning a YAML file into a Jekyll collection. Doing things by hand is a wonderful thing, but well, sometimes a bash script works too! I don’t know why I hadn’t done this myself already for my books. Especially because I already had used Jekyll collections for my origami before. Check that out in case anything here is unfamiliar to you. I am assuming a bunch of terms that only make sense if you use Jekyll or YAML or parsing and such. In any case, my YAML file looked like this: - title: "Dune Messiah" author: "Frank Herbert" cover: "/assets/img/books/dune-messiah.jpg" start: "2026-10-20" end: "2026-10-20" progress: 15 summary: "a summary" Like AetherAnne, I also considered using some LLM tool to do this, it would have taken a single prompt and would probably work just fine, and few people would have judged me too harshly for it. But again, why not actually try and do it myself, and maybe learn something? First I…