Ruby Programming Language

Written by Yukihiro Matsumoto (""Matz""), creator of the language, Ruby in a Nutshell is a practical reference guide covering everything from Ruby syntax to the specifications of its standard class libraries. The book is based on Ruby 1.6, and is applicable to development versions 1.7 and the next planned stable version 1.8. As part of the successful ""in a Nutshell"" series of books from O'reilly & Associates, Ruby in a Nutshell is for readers who want a single desktop reference for all their needs.

Yukihiro Matsumoto ("Matz"), the creator of Ruby, is a professional programmer who worked for the Japanese open source company, netlab.jp. Matz is also known as one of the open source evangelists in Japan. He's released several open source products, including cmail, the emacs-based mail user agent, written entirely in emacs lisp. Ruby is his first piece of software that has become known outside of Japan.

Preface

ix

Introduction

1

(4)

Ruby's Elegance

1

(2)

Ruby in Action

3

(2)

Language Basics

5

(31)

Command-Line Options

5

(2)

Environment Variables

7

(1)

Lexical Conventions

8

(1)

Literals

9

(6)

Variables

15

(2)

Operators

17

(3)

Methods

20

(5)

Control Structures

25

(4)

Object-Oriented Programming

29

(4)

Security

33

(3)

Built-in Library Reference

36

(74)

Predefined Variables

36

(2)

Predefined Global Constants

38

(1)

Built-in Functions

39

(8)

Built-in Library

47

(63)

Standard Library Reference

110

(56)

Standard Library

110

(56)

Ruby Tools

166

(10)

Standard Tools

166

(7)

Additional Tools

173

(1)

Ruby Application Archive

174

(2)

Ruby Updates

176

(5)

Summary of Changes

176

(2)

The Future of Ruby

178

(1)

Participate in Ruby

179

(2)

Index

181

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Ruby Programming Language

Summary

Author Biography

Table of Contents

Supplemental Materials