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by Clinton Wong
Web Client Programming with Perl
Cover Page
Title Page
Contents
Preface
Who This Book Is For
Is This Book for You?
Organization
Source Code in This Book Is Online
Conventions Used in This Book
Request for Comments
Acknowledgments
Chapter 1. Introduction
Why Write Your Own Clients?
The Web and HTTP
The Programming Interface
A Word of Caution
Chapter 2. Demystifying the Browser
Behind the Scenes of a Simple Document
Retrieving a Document Manually
Behind the Scenes of an HTML Form
Behind the Scenes of Publishing a Document
Structure of HTTP Transactions
Chapter 3. Learning HTTP
Structure of an HTTP Transaction
Client Request Methods
Versions of HTTP
Server Response Codes
HTTP Headers
Chapter 4. The Socket Library
A Typical Conversation over Sockets
Using the Socket Calls
Server Socket Calls
Client Connection Code
Your First Web Client
Parsing a URL
Hypertext UNIX cat
Shell Hypertext cat
Grep out URL References
Client Design Considerations
Chapter 5. The LWP Library
Some Simple Examples
Listing of LWP Modules
Using LWP
Chapter 6. Example LWP Programs
Simple Clients
Periodic Clients
Recursive Clients
Chapter 7. Graphical Examples with Perl/Tk
A Brief Introduction to Tk
A Dictionary Client: xword
Check on Package Delivery: Track
Check if Servers Are up: webping
Appendix A HTTP Headers
General Headers
Client Request Headers
Server Response Headers
Entity Headers
Summary of Support Across HTTP Versions
Appendix B Reference Tables
Media Types
Character Encoding
Languages
Character Sets
Appendix C The Robot Exclusion Standard
Syntax for the /robots.txt File
Index
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