Ruby Interactive Tutorial

Ri options methodname.

Ruby interactive tutorial.

If you re using windows open interactive ruby from the ruby section of your start menu. 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. It provides course content in the form of chapters. You can get ri from ri.

Learnruby is an online interactive tutorial resource that offers free tutorials to learn ruby programming language. This tutorial gives a complete understanding on ruby. Ri an online reference tool developed by dave thomas the famous pragmatic programmer. To invoke it type irb at a shell or command prompt and begin entering ruby statements and expressions.

Change directory followed by the. Here is simple syntax to use ri. 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.

However since this is a ruby shell it will expect that you type ruby code instead of system commands. 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. It runs on a variety of platforms such as windows mac os and the various versions of unix.

Its name is short for interactive ruby shell and yes it is another kind of shell. When you have a question about the behavior of a certain method you can invoke ri to read the brief explanation of the method. Irb rb options programfile arguments. This tutorial is suitable for both beginners and experienced programmers.

There is no need to download anything just click on the chapter you wish to begin from and follow the instructions. It was written by keiju ishitsuka. To get it set up do the following. Install the app s gem dependencies which are listed in the gemfile.

Interactive ruby or irb is an interactive programming environment that comes with ruby. You can click on any chapter to begin with. You want to learn ruby for fun for a new job or just to see what all the fuss is about.