Abstract: Preface Chapter 1 Introduction-Developing Interactive Web Applications 1.1 A Brief Look at The Internet and the World Wide Web 1.2 The HTTP Protocol 1.3 The Common Gateway Interface 1.4 An Example CGI Application 1.5 Programming Language Options 1.6 The Development Environment 1.7 HTML Forms 1.8 Programming Practices and Pitfalls 1.9 Summary 1.10 Exercises Chapter 2-Basics of Perl and CGI Scripting 2.1 Starting a Perl Program 2.2 Working with Scalars 2.3 Interpolation in Strings 2.4 Standard Input and Standard Output 2.5 Returning CGI Documents 2.6 Getting Input-the QUERY_STRING Environment Variable 2.7 Asking Perl to Help You Find Problems: Warnings 2.8 Branching: Conditional Expressions and Operators 2.9 A First Look at Arrays and Hashes 2.10 More About Operators 2.11 Looping: Repetition Control Structures 2.12 Programming Practices and Pitfalls 2.13 Summary 2.14 Exercises Chapter 3-Working with Forms, Patterns, and Files 3.1 Pattern Matching Translating Form Data 3.2 Environment Variables and Request methods 3.3 A First Look at Files 3.4 Programming Practices and Pitfalls 3.5 Summary 3.6 Exercises Chapter 4-Subroutines and Functions 4.1 Defining Subroutines 4.2 Arguments and Return Values 4.3 Variable Scope: my() and local() 4.4 A First Look at References 4.5 Building Libraries of Subroutines 4.6 Creating Versatile Programs: Packages and Modules 4.7 Creating Robust Applications: Using Standard Modules 4.8 Example: Site Maintenance 4.9 Programming Practices and Pitfalls 4.10 Summary 4.11 Exercises Chapter 5-Files and Directories 5.1 Ways of Reading from Files 5.2 Designating a File as the Default 5.3 Operations on Files: Deleting, Renaming and Changing Permissions 5.4 File Test Operators 5.5 Standard Files 5.6 Example: A Simple Counter 5.7 Anonymous Filehandles Passing Filehandles to Subroutines 5.8 File Locking Using flock() 5.9 File Locking Continued-Creating a Separate Lockfile 5.10 Working with Directories 5.11 Example: Search and Replace 5.12 Data Storage-DBM Databases and Hashes 5.13 Interacting with Other Programs 5.14 Example: Sending Mail with sendmail 5.15 Security Issues 5.16 Programming Practices and Pitfalls 5.17 Summary 5.18 Exercises Chapter 6-A Closer Look 6.1 The Importance of Context 6.2 More About Strings 6.3 Looking into Data Structures with Data::Dumper 6.4 More About Arrays 6.5 Transforming a List with map() 6.7 Selecting Elements from a List with grep() 6.8 Sorting Lists with sort() 6.8 More About Hashes 6.9 Programming Practices and Pitfalls 6.10 Summary 6.11 Exercises Chapter 7 Powerful Perl-References and Regular Expressions 7.1 Using References to Create Complex Data Structures 7.2 Example: XBM format graphics 7.3 Subroutine References and Dispatch Tables 7.4 Perl's Regular Expression Engine 7.5 Constructing Regular Expressions 7.6 Programming Practices and Pitfalls 7.7 Summary 7.8 Exercises Chapter 8-Extending Perl with Modules 8.1 CPAN, the Comprehensive Perl Archive Network 8.2 Objects in Perl 8.3 Using CGI.pm for Parsing and Creating Forms 8.4 Uploading Files Using CGI.pm 8.5 Separating Design and Code: HTML::Template 8.6 Example: Putting it All Together 8.7 Sending Mail 8.8 Programming Practices and Pitfalls 8.9 Summary 8.10 Exercises Chapter 9-Creating Persistent State Information 9.1 Trying to Preserve Information Status Under a Stateless Protocol 9.2 Hidden Variables 9.3 Session Files 9.4 Query and Extra Path Information 9.5 Persistent Client-side Cookies 9.6 Using CGI::SecureState 9.7 Example: Sadie's Shopping Cart 9.8 Programming Practices and Pitfalls 9.9 Summary 9.10 Exercises Chapter 10-Data Management 10.1 Some Database Terminology 10.2 Delimited Text Files as Databases 10.3 SQL: the Structured Query Language 10.4 Interfacing with SQL Databases: The DBI and DBD modules 10.5 Example: Creating Sadie's Mailing List with DBD::CSV 10.6 Using the MySQL Database with DBD::mysql 10.7 Maintaining State with Apache::Session 10.8 Example: Building a Document Repository 10.9 Programming Practices and Pitfalls 10.10 Summary 10.11 Exercises Chapter 11-WWW Access with LWP 11.1 libwww-perl 11.2 The LWP::Simple Module 11.3 The LWP Model: HTTP Style Communication 11.4 Web Robots 11.5 The HTTP::Daemon Module 11.6 References 11.7 Summary 11.8 Exercises Chapter 12-On-the-fly Graphics with GD 12.1 The GD.pm Module 12.2 Polygons 12.3 Characters and Strings 12.4 Example: Drawing a Bar Chart 12.5 Working with an Existing Image 12.6 Copying Portions of Images 12.7 The GD::Graph Module 12.8 References 12.9 Summary 12.10 Exercises Chapter 13-Security 13.1 What Can Go Wrong? 13.2 Don't Trust User Input 13.3 Directory Organization 13.4 File and Directory Permissions 13.5 Defensive Programming 13.6 Tainting 13.7 Using Encryption to Protect Data 13.8 References 13.9 Summary 13.10 Exercises Appendices A Setting up a Practice Site Under Windows B A Few Unix Commands C Server Side Includes D Quick Reference: HTML Form Elements E Quick Reference: Perl Functions F Quick Reference: Perl Special Constants, Filehandles, and Variables G Quick Reference: Symbols used in Perl Regular Expressions Companion Web Site * Source code for all the example programs in the book * Links to online Perl and CGI resources, including download sites for software * A list of known errors and their corrections * A FAQ (Frequently Asked Questions) list
Publication Year: 2003
Publication Date: 2003-06-25
Language: en
Type: book
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