RFC lookup

scripts/rfc.py reads the IETF RFC corpus. It needs nothing but a Python interpreter — no install step, no packages.

python3 scripts/rfc.py <command> [options]

It works immediately, fetching documents over HTTPS as needed. If a local mirror has been synced it reads from disk instead and can search the full text of every RFC. Same commands either way.

The loop

Four steps, and skipping the middle two is how a wrong or oversized answer happens: