reddit
ehm... okay?
get json for reddit post
append .json to the end of a reddit url
jq -r '.[].data.children[].data | select(.body != null) | "---\n\(.body)"' < reddit.json
get markdown version of reddit post
you need jq for this, at least it makes it easy.
REDDIT_URL=https://www.reddit.com/r/hetzner/comments/asdffoo/title_foobar/
curl -sS -A "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0" "${REDDIT_URL%/}.json" | jq -r '.[].data.children[].data.selftext' | grep -v null