Before YAML, before JSON, there were null-terminated records. See how this simple, pragmatic technique greases the pipes between UNIX command-line tools---and how you can harness it in your Ruby one-liners!
Month: November 2020

Episode #650
Re-Run Just the Tests That Failed
A test-driven development workflow is only effective when it gives you quick, meaningful feedback. Check out these power-user facilities for RSpec and MiniTest that will help you skip the noise …

Episode #649
Input Record Separator
Ruby has a lot of tools for processing input line-by-line. But when you look a little closer, it turns out that these methods are for more than just lines of …