> I definitely want to be able to pipe single-field lists coming from > notmuch to grep, xargs, shell for loops, etc. without having to decode > JSON. While I would love to see JSON (even by default), I agree. If I just want to code up a notmuch-based address book with sth like: notmuch show to:Diana --output=to --sort=relevance --limit=20 just getting back a plain list of mail addresses is the easiest to handle.