Ruby Interactive Tutorial

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

Ruby interactive tutorial.

Install the app s gem dependencies which are listed in the gemfile. 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. Interactive ruby or irb is an interactive programming environment that comes with ruby. 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. Irb rb options programfile arguments. Use exit or quit to exit irb. This tutorial is suitable for both beginners and experienced programmers.

You can get ri from ri. You can click on any chapter to begin with. It provides course content in the form of chapters. This tutorial gives a complete understanding on ruby.

Whether you are an experienced programmer or not this website is intended for everyone who wishes to learn the ruby programming language. Interactive ruby if you re using macos open up terminal and type irb then hit enter. Here is simple syntax to use ri. It was written by keiju ishitsuka.

Learnruby is an online interactive tutorial resource that offers free tutorials to learn ruby programming language. There is no need to download anything just click on the chapter you wish to begin from and follow the instructions. Its name is short for interactive ruby shell and yes it is another kind of shell. To get it set up do the following.

It runs on a variety of platforms such as windows mac os and the various versions of unix. Change directory followed by the. To invoke it type irb at a shell or command prompt and begin entering ruby statements and expressions. When you have a question about the behavior of a certain method you can invoke ri to read the brief explanation of the method.

Ri options methodname. Just like the shell running in your terminal irb is also a program that interactively waits for you to type something and hit enter. Free interactive tutorials to help you discover ruby idioms in your browser.