Preface - Ruby One-Liners Guide

The examples presented here have been tested with Ruby version 3.3.0 and includes features not available in earlier versions.Code snippets are copy pasted from the GNU bash shell and modified for presentation purposes. Some commands are preceded by comments to provide context and explanations. Blank lines to improve readability, only real time shown for speed comparisons, output skipped/modified for certain commands and so on.External links are provided throughout the book for you to explore certain topics in more depth.The learn_ruby_oneliners repo has all the code snippets and files used in examples, exercises and other details related to the book. If you are not familiar with the git command, click the Code button on the webpage to get the files.