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Perl How to Program : Introducing CGI and Python

by: Deitel, Harvey M.; Deitel, Paul J.; Nieto, Tem R.; McPhie, D. C.

Perl How to Program : Introducing CGI and Python

by: Deitel, Harvey M.; Deitel, Paul J.; Nieto, Tem R.; McPhie, D. C.

ISBN 13:
9780130284181
ISBN 10:
0130284181
Edition: CD
Format: Paperback
Copyright: 01/25/2001
Publisher: Prentice Hall

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Summary

This new book by the world's leading programming language textbook authors carefully explains how to use Perl as a general-purpose programming language and how to program multi-tier, client/server, database-intensive, Internet-and-Web-based applications. Dr. Harvey M. Deitel and Paul J. Deitel are the principals of Deitel & Associates, Inc., the internationally recognized corporate training and content-creation organization specializing in C++, Javatrade;, C#, C, Visual Basicreg;, XMLtrade;, Python, Perl, Internet, World Wide Web and object technologies. The Deitels are also the authors of the world's #1 Java and C++ textbooks, Java How to Program, 3/e and C++ How to Program, 3/e. In Perl How to Program, the Deitels and their colleagues, Tem R. Nieto and David C. McPhie, discuss topics you need to build complete, Web-based applications including: CGI/HTML forms/XML/CGI.pm Control Structures/Arrays/Hashes Regular Expressions/Strings Objects/Encapsulation OOP/Inheritance/References Database/DBI/SQL/Signals/Contexts Security/Accessibility Typeglobs/File Globbing Networking/Sockts/Internet Protocols Cookies/Session Tracking Filehandles/Data Structures Process Control/Forking/Piping Subroutines/Modules/Packages/Overloading Web Automation/OLE Automation Server-Side Includes/Ties/Closures Graphics/GUI/Perl/TK Perl How to Program includes extensive pedagogic features: Hundreds of LIVE-CODEtrade; programs with screen captures that show exact outputs Extensive World Wide Web and Internet resources to encourage further research Hundreds of tips, recommended practices and cautions-all marked with icons

Contents

vii

Illustrations

xviii

Preface

xxx

Introduction to Computers, the Internet and the World Wide Web

(25)

Introduction

(1)

What Is a Computer?

(1)

Computer Organization

(1)

Evolution of Operating Systems

(1)

Personal Computing, Distributed Computing and Client/Server Computing

(1)

Machine Languages, Assembly Languages and High-level Languages

(1)

Structured Programming

(1)

Object-Oriented Programming

(1)

Hardware Trends

(1)

History of the Internet

(1)

History of the World Wide Web

(1)

History of Perl

(2)

Perl Library

(1)

General Notes About Perl and This Book

(1)

A Tour of the Book

(9)

Internet and World Wide Web Resources

(4)

Introduction to Programming in Perl

(34)

Introduction

(1)

Simple Programs that Display Lines of Text

(5)

A Simple Program: Printing a Line of text

(2)

Executing the Program

(1)

A Simple Program: Printing Several Lines of Text

(2)

Another Simple Program: Adding Two Integers

(2)

Memory Concepts

(1)

Scalar Values and Scalar Variables

(1)

Arithmetic Operators

(4)

Assignment Operators

(1)

Increment and Decrement Operators

(2)

Decision Making: Equality and Relational Operators

(4)

Confusing Equality (==) and Assignment (=) Operators

(2)

String Operators

(1)

Numeric and String Contexts

(2)

Internet and World Wide Web Resources

(8)

Control Structures: Part I

(34)

Introduction

(1)

Algorithms

(1)

Pseudocode

(1)

Control Structures

(2)

if and unless Selection Structures

(3)

if/else and if/elsif/else Selection Structures

(3)

while and until Repetition Structures

(2)

do/while and do/until Repetition Structures

(2)

Formulating Algorithms: Case Study 1 (Counter-controlled Repetition)

(3)

Formulating Algorithms with Top-down, Stepwise Refinement: Case Study 2 (Sentinel-controlled Repetition)

(5)

Formulating Algorithms with Top-down, Stepwise Refinement: Case Study 3 (Nested Control Structures)

(4)

Internet and World Wide Web Resources

(8)

Arrays and Hashes

(41)

Introduction

(1)

Additional Data Types

(1)

Lists and List Context

(1)

Arrays

(3)

Creating and Manipulating an Array

(1)

Repetition with the for Structure

100

(3)

Additional Examples of Creating Arrays

103

(4)

Array Manipulation

107

(4)

Array Functions

111

(4)

List Functions

115

(1)

Searching Sorted Arrays

116

(6)

Linear Search

116

(2)

Binary Search

118

(4)

Introduction to Hashes

122

(1)

Creating and Manipulating a Hash

122

(3)

Hash-related Functions

125

(4)

Internet and World Wide Web Resources

129

(6)

Control Structures: Part II

135

(35)

Introduction

136

(1)

foreach Repetition Structure

136

(3)

Special Variable $_

139

(1)

Loop Control Shortcuts: grep and map

140

(2)

Case Study: Computing Mean, Median and Mode

142

(4)

Loop Controls: The next Statement

146

(1)

Loop Controls: The last Statement

147

(1)

Loop Controls: The redo Statement

148

(1)

Block Labels

149

(1)

Bare Blocks

150

(1)

Logical Operators

151

(4)

Using Logical Operators for Flow Control

155

(2)

Error Functions: die and warn

157

(1)

Summary of Structured Programming

158

(12)

Subroutines and Functions

170

(46)

Introduction

171

(1)

Subroutines in Perl

171

(2)

Built-in Math Functions

173

(1)

User-defined Subroutines

174

(2)

Argument Lists

176

(2)

Returning Values

178

(2)

Other Ways to Invoke a Subroutine

180

(3)

Random-Number Generation

183

(4)

Example: A Game of Chance

187

(3)

Recursion

190

(3)

Example Using Recursion: Fibonacci

193

(3)

Recursion vs. Iteration

196

(1)

Scope Rules: Global, Lexical and Dynamic

197

(3)

Namespaces, Packages and Modules

200

(6)

Defining a Package and Importing it with require

200

(3)

Modules and the use Statement

203

(2)

Other Features of the use Statement

205

(1)

Pragmas

206

(10)

Introduction to the Common Gateway Interface (CGI)

216

(37)

Introduction

217

(1)

A Simple HTTP Transaction

217

(3)

A Simple CGI Script

220

(4)

Using CGI.pm to Generate HTML

224

(3)

Sending Input to a CGI Script

227

(2)

Using HTML Forms to Send Input

229

(6)

Using CGI.pm to Create Forms and Read Input

235

(3)

Other Headers

238

(1)

Example: An Interactive Portal

239

(4)

Internet and World Wide Web Resources

243

(10)

Regular Expressions

253

(31)

Introduction

254

(1)

Matching Operator m//

254

(2)

Substitution Operator s///

256

(1)

Special Characters and Character Classes

257

(2)

Alternation

259

(2)

Quantifiers

261

(2)

Quantifier Greediness

263

(1)

Assertions

264

(2)

Backreferences

266

(3)

More Regular-Expression Modifiers

269

(1)

Global Searching and the /g Modifier

270

(1)

Example: Form Verification

271

(5)

Internet and World Wide Web Resources

276

(8)

String Manipulation

284

(35)

Introduction

285

(1)

Quotes and Quote Operators

285

(3)

``Here'' Documents

288

(2)

Basic String Functions

290

(2)

chop and chomp functions

292

(3)

index and rindex Functions

295

(2)

Function join

297

(1)

Function split

298

(2)

tr/// Translation Operator

300

(2)

Formatting Outputs with printf and sprintf

302

(3)

Printing with Field Widths and Precision

305

(2)

Using Flags in the printf Format Control String

307

(3)

Evaluating Strings as Perl Code

310

(9)

File Processing

319

(26)

Introduction

320

(1)

Data Hierarchy

320

(2)

Filehandles

322

(1)

Opening and Closing Filehandles

323

(2)

Using Filehandles

325

(2)

@ARGV Special Variable

327

(1)

Amazon no longer offers textbook rentals. We do!

Perl How to Program : Introducing CGI and Python

Perl How to Program : Introducing CGI and Python

9780130284181

0130284181

Summary

Author Biography

Table of Contents

Supplemental Materials

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