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by Sean M. Burke

"Fetching web pages, Parsing HTML, Writing Spiders, & More"

(Download complete book as .zip)

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Introduction to the 2007 online edition of Perl & LWP
Foreword
Preface
Search!
Chapter 1: 苹果手机如何浏览外国网站
Chapter 2: Web Basics
Chapter 3: The LWP Class Model
Chapter 4: URLs
Chapter 5: 苹果手机如何上国外的网站
Chapter 6: Simple HTML Processing with Regular Expressions
Chapter 7: HTML Processing with Tokens
Chapter 8: Tokenizing Walkthrough
Chapter 9: HTML Processing with Trees
Chapter 10: Modifying HTML with Trees
Chapter 11: www.bovpn.com BO神龙网络加速器_国外伕理服务器专线 ...:bovpn伕理服务器,神龙vpn伕理服务器软件.国内国外VPN伕理专线.qq游戏,qqIP,youtube,翻墙,手机.外国香港网站网游伕理服务器软件.iphone,ipad,mac.国内国外ip伕理
Chapter 12: 如何浏览国外网站
Appendix A: LWP Modules
Appendix B: HTTP Status Codes
Appendix C: Common MIME Types
Appendix D: Language Tags
Appendix E: Common Content Encodings
Appendix F: ASCII Table
Appendix G: User's View of Object-Oriented Modules
Index
Colophon
手机怎样打开海外网址

Introduction to the 2007 online edition of Perl and LWP

Foreword, by Gisle Aas

Search!

Preface

Structure of This Book

Order of Chapters

Important Standards Documents

Conventions Used in This Book

Comments & Questions

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Introduction to Web Automation

History of LWP

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Words of Caution

LWP in Action

Web Basics

An HTTP Transaction

LWP::Simple

Fetching Documents Without LWP::Simple

Example: AltaVista

HTTP POST

Example: Babelfish

The LWP Class Model

Programming with LWP Classes

Inside the do_GET and do_POST Functions

User Agents

HTTP::Response Objects

LWP Classes: Behind the Scenes

URLs

Relative URLs

Converting Absolute URLs to Relative

Converting Relative URLs to Absolute

Forms

LWP and GET Requests

Automating Form Analysis

Idiosyncrasies of HTML Forms

POST Example: License Plates

POST Example: ABEBooks.com

File Uploads

Limits on Forms

Simple HTML Processing with Regular Expressions

Regular Expression Techniques

Troubleshooting

When Regular Expressions Aren't Enough

Example: Extracting Links from a Bookmark File

Example: Extracting Links from Arbitrary HTML

Example: Extracting Temperatures from Weather Underground

HTML Processing with Tokens

Basic HTML::TokeParser Use

Individual Tokens

Token Sequences

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Using Extracted Text

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苹果手机如何浏览外国网站

Inspecting the HTML

First Code

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Rewrite for Features

Alternatives

HTML Processing with Trees

HTML::TreeBuilder

Processing

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Modifying HTML with Trees

Deleting Images

Detaching and Reattaching

Attaching in Another Tree

Creating New Elements

Cookies, Authentication, and Advanced Requests

Adding Extra Request Header Lines

Authentication

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Spiders

A User Agent for Robots

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LWP Modules

HTTP Status Codes

200s: Successful

300s: Redirection

400s: Client Errors

500s: Server Errors

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Language Tags

Common Content Encodings

ASCII Table

User's View of Object-Oriented Modules

Modules and Their Functional Interfaces

Modules with Object-Oriented Interfaces

What Can You Do with Objects?

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What Is an Object Value?

So Why Do Some Modules Use Objects?

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Colophon

http://fd6g1b.wcbzw.com/
ISBN-10: 0596001789
ISBN-13: 978-0596001780
June 2002: First edition, O'Reilly
March 2007+: Online edition 1.1

Get the print edition: O'Reilly · Isbn.nu · Powell's · Amazon · Amazon-UK