Web client programming with perl automating tasks on the web

Web Client Programming with Perl
Automating Tasks on the Web
By Clinton Wong 1st Edition March 1997

This book is out of print, but it has been made available online through the O'Reilly Open Books Project.

Table of Contents Preface Chapter Chapter Chapter Chapter Chapter Chapter Chapter

1: 2: 3: 4: 5: 6: 7:

Introduction Demystifying the Browser Learning HTTP The Socket Library TheLWP Library Example LWP Programs Graphical Examples with Perl/Tk

Appendix A: HTTP Headers Appendix B: Reference Tables Appendix C: The Robot Exclusion Standard Index Examples

Back to: Web Client Programming with Perl

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Web Client Programming with Perl
Automating Tasks on the Web
By Clinton Wong 1st Edition March 1997

This book is out of print, but it has been made available online through the O'Reilly Open Books Project.

Table of Contents
Preface 1. Introduction Why Write Your Own Clients? The Web and HTTP The Programming Interface A Word of Caution 2. Demystifying the Browser Behind theScenes 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 3. Learning HTTP Structure of an HTTP Transaction Client Request Methods

Versions of HTTP Server Response Codes HTTP Headers 4. The Socket Library A Typical Conversation over Sockets Using the Socket Calls Server Socket CallsClient Connection Code Your First Web Client Parsing a URL Hypertext UNIX cat Shell Hypertext cat Grep out URL References Client Design Considerations 5. The LWP Library Some Simple Examples Listing of LWP Modules Using LWP 6. Example LWP Programs Simple Clients Periodic Clients Recursive Clients 7. Graphical Examples with Perl/Tk A Brief Introduction to Tk A Dictionary Client: xword Check on PackageDelivery: Track Check if Servers Are up: webping A. HTTP Headers General Headers Client Request Headers Server Response Headers Entity Headers Summary of Support Across HTTP Versions B. Reference Tables Media Types Character Encoding

Languages Character Sets C. The Robot Exclusion Standard Index Back to: Chapter Index Back to: Web Client Programming with Perl

O'Reilly Home | O'ReillyBookstores | How to Order | O'Reilly Contacts International | About O'Reilly | Affiliated Companies © 2001, O'Reilly & Associates, Inc. webmaster@oreilly.com

Web Client Programming with Perl
Automating Tasks on the Web
By Clinton Wong 1st Edition March 1997

This book is out of print, but it has been made available online through the O'Reilly Open Books Project.

Preface
The World Wide Web hasbeen credited with bringing the Internet to the masses. The Internet was previously the stomping ground of academics and a small, elite group of computer professionals, mostly UNIX programmers and other oddball types, running obscure commands like ftp and finger, archie and telnet, and so on. With the arrival of graphical browsers for the Web, the Internet suddenly exploded. Anyone could findthings on the Web. You didn't need to be "in the know" anymore--you just needed to be properly networked. Equipped with Netscape Navigator or Internet Explorer or any other browser, everyone can now explore the Internet freely. But graphical browsers can be limiting. The very interactivity that makes them the ideal interface for the Internet also makes them cumbersome when you want to automate atask. It's analogous to editing a document by hand when you'd like to write a script to do the work for you. Graphical browsers require you to navigate the Web manually. In an effort to diminish the amount of tedious pointing-and-clicking you do with your browser, this book shows you how to liberate yourself from the confines of your browser. Web Client Programming with Perl is a behind-the-scenes...