This is a quick Docker/Podman wrapper around a useful script that was posted to Hacker News via Pastebin, from here:
To use it, put a feeds.txt in the input folder containing a line-separated list of YouTube channel RSS feeds, then run a command like this:
podman run -v $PWD/input/feeds.txt:/input/feeds.txt -v $PWD/output:/output --rm -it ghcr.io/jchv/ytdl-pvr/ytdl-pvr:latest