Ruby Interactive Tutorial

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

Ruby interactive tutorial.

To get it set up do the following. It provides course content in the form of chapters. Its name is short for interactive ruby shell and yes it is another kind of shell. Learnruby is an online interactive tutorial resource that offers free tutorials to learn ruby programming language.

You want to learn ruby for fun for a new job or just to see what all the fuss is about. When you have a question about the behavior of a certain method you can invoke ri to read the brief explanation of the method. This tutorial is suitable for both beginners and experienced programmers. Irb rb options programfile arguments.

If you re using linux open up a shell and type irb and hit enter. Ri options methodname. Free interactive tutorials to help you discover ruby idioms in your browser. 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. Change directory followed by the. 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 runs on a variety of platforms such as windows mac os and the various versions of unix.

Ruby is a scripting language designed by yukihiro matsumoto also known as matz. It was written by keiju ishitsuka. Whether you are an experienced programmer or not this website is intended for everyone who wishes to learn the ruby programming language. You can click on any chapter to begin with.

There is no need to download anything just click on the chapter you wish to begin from and follow the instructions. If you re using windows open interactive ruby from the ruby section of your start menu. This tutorial gives a complete understanding on ruby. You can get ri from ri.

Interactive ruby or irb is an interactive programming environment that comes with ruby. Use exit or quit to exit irb. Here is simple syntax to use ri.