Markdown i metadane w YAML

---
quote: >-
    People just aren't as repeatable as computers are. Nor should we expect them
    to be. A shell script or batch file will execute the same instructions, in
    the same order, time after time.
author:
  - David Thomas
  - Andrew Hunt
title: The Pragmatic Programmer
published: 2019
lang: en
---

Ludzie po prostu nie są tak powtarzalni jak komputery. I nie powinniśmy
oczekiwać, że tacy będą. Skrypt powłoki lub plik wsadowy będą wykonywać te same
instrukcje, w tej samej kolejności za każdym razem.

$ sed -ne '/^---/,/^---/{/^---/d;p}' quote.md
quote: >-
    People just aren't as repeatable as computers are. Nor should we expect them
    to be. A shell script or batch file will execute the same instructions, in
    the same order, time after time.
author:
  - David Thomas
  - Andrew Hunt
title: The Pragmatic Programmer
published: 2019
lang: en

$ sed -ne '/^---/,/^---/{/^---/d;p}' quote.md | yq -r '.quote'
People just aren't as repeatable as computers are. Nor should we expect them to
be. A shell script or batch file will execute the same instructions, in the same
order, time after time.