Ruby Interactive Tutorial

Ri an online reference tool developed by dave thomas the famous pragmatic programmer.

Ruby interactive tutorial. It was written by keiju ishitsuka. Just like the shell running in your terminal irb is also a program that interactively waits for you to type something and hit enter. Learnruby is an online interactive tutorial resource that offers free tutorials to learn ruby programming language. It provides course content in the form of chapters.

Irb rb options programfile arguments. Here is simple syntax to use ri. Its name is short for interactive ruby shell and yes it is another kind of shell. Use exit or quit to exit irb.

Change directory followed by the. There is no need to download anything just click on the chapter you wish to begin from and follow the instructions. Download and unzip the starter application code open up your terminal navigate to the thinklist directory a k a folder using the cd command a k a. Ruby is a scripting language designed by yukihiro matsumoto also known as matz.

However since this is a ruby shell it will expect that you type ruby code instead of system commands. You want to learn ruby for fun for a new job or just to see what all the fuss is about. If you re using windows open interactive ruby from the ruby section of your start menu. Free interactive tutorials to help you discover ruby idioms in your browser.

This tutorial is suitable for both beginners and experienced programmers. If you re using linux open up a shell and type irb and hit enter. Ri options methodname. You can click on any chapter to begin with.

Whether you are an experienced programmer or not this website is intended for everyone who wishes to learn the ruby programming language. When you have a question about the behavior of a certain method you can invoke ri to read the brief explanation of the method. Interactive ruby or irb is an interactive programming environment that comes with ruby. It runs on a variety of platforms such as windows mac os and the various versions of unix.

To get it set up do the following. Install the app s gem dependencies which are listed in the gemfile. You can get ri from ri.