6.1. Ruby tutorial

Ruby is an open source server-side scripting language for object-oriented programming, designed and developed by Matsumoto Hiroshi / Yukihiro Matsumoto of Japan in the mid-1990s. Matsumoto is also known as Matz in the Ruby community. Ruby can run on a variety of platforms, such as Windows, MACOS, and various versions of UNIX.

With this tutorial, you will have a comprehensive understanding of Ruby.

6.1.1. Who is suitable for this tutorial? #

This tutorial helps beginners understand the basics and concepts of the Rubylanguage.

6.1.2. What you need to know before reading this tutorial: #

Before you begin to practice the examples provided in this tutorial, it is best to have a basic understanding of computer programs and computer programming languages, which will help you learn this tutorial.

6.1.3. Compile/execute Ruby programs #

For most programming languages, the first example to get started is “Hello World!”. The following example uses Ruby to output “Hello World!”:

Example #

#!/usr/bin/rubyputs"Hello World!";

Or in irb interactive command line mode:

>>puts "Hello, world!"
Hello, world!
=> nil