Comprehensive guide to prompt engineering techniques for Claude's
latest models, including Claude Opus 4.6, Claude Sonnet 4.6, and
Claude Haiku 4.5. It covers foundational techniques, output
control, tool use, thinking, and agentic systems.
Gum is a utility that can enhance bash script input and output with minimal effort. It offers commands for prompting for input (lines, lists, yes/no), file picking, and displaying formatted output (markdown, tables, colors, etc.). The article details its features, installation, and provides a practical example using a number guessing game.