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Over the Shoulder 1 - Text Preprocessing in Forth

Andreas Wagner · demo · Watch on YouTube

Functional programmingSoftware practice, open source & careersProgramming language design

What it is

Samuel Falvo II live-codes a text preprocessor and blog engine in Forth over about an hour. It shows Forth's dictionary being snapshotted and restored in place of mutation, and how a small Forth system gets real work done.

Why Hacker News recommends it

Cited as a concrete look at Forth in action, including its snapshot/restore dictionary model.

  • 1 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2017, last 2025

What HN commenters said

  1. “I recommend the video.”

    Fun video to see Forth in action

    thomascountz, 2025-09 · Recommendation · in “Easy Forth (2015)”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: forth, text preprocessing, live coding, blog engine, dictionary

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