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Perl and LWP

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Synopses & Reviews

Publisher Comments:

Perl soared to popularity as a language for creating and managing web content, but with LWP (Library for WWW in Perl), Perl is equally adept at consuming information on the Web. LWP is a suite of modules for fetching and processing web pages.

The Web is a vast data source that contains everything from stock prices to movie credits, and with LWP all that data is just a few lines of code away. Anything you do on the Web, whether it's buying or selling, reading or writing, uploading or downloading, news to e-commerce, can be controlled with Perl and LWP. You can automate Web-based purchase orders as easily as you can set up a program to download MP3 files from a web site.

Perl & LWP covers:

  • Understanding LWP and its design
  • Fetching and analyzing URLs
  • Extracting information from HTML using regular expressions and tokens
  • Working with the structure of HTML documents using trees
  • Setting and inspecting HTTP headers and response codes
  • Managing cookies
  • Accessing information that requires authentication
  • Extracting links
  • Cooperating with proxy caches
  • Writing web spiders (also known as robots) in a safe fashion
Perl & LWP includes many step-by-step examples that show how to apply the various techniques. Programs to extract information from the web sites of BBC News, Altavista, ABEBooks.com, and the Weather Underground, to name just a few, are explained in detail, so that you understand how and why they work. Perl programmers who want to automate and mine the web can pick up this book and be immediately productive. Written by a contributor to LWP, and with a foreword by one of LWP's creators, Perl & LWP is the authoritative guide to this powerful and popular toolkit.

Synopsis:

This comprehensive guide to LWP and its applications comes with many practical examples. Topics include fetching Web pages, submitting forms, using various techniques for HTML parsing, handling cookies and authentication.

Synopsis:

Perl soared to popularity as a language for creating and managing web content, but with LWP (Library for WWW in Perl), Perl is equally adept at consuming information on the Web. LWP is a suite of modules for fetching and processing web pages.

The Web is a vast data source that contains everything from stock prices to movie credits, and with LWP all that data is just a few lines of code away. Anything you do on the Web, whether it's buying or selling, reading or writing, uploading or downloading, news to e-commerce, can be controlled with Perl and LWP. You can automate Web-based purchase orders as easily as you can set up a program to download MP3 files from a web site.

Perl & LWP covers:

Understanding LWP and its design

Fetching and analyzing URLs

Extracting information from HTML using regular expressions and tokens

Working with the structure of HTML documents using trees

Setting and inspecting HTTP headers and response codes

Managing cookies

Accessing information that requires authentication

Extracting links

Cooperating with proxy caches

Writing web spiders (also known as robots) in a safe fashion

Perl & LWP includes many step-by-step examples that show how to apply the various techniques. Programs to extract information from the web sites of BBC News, Altavista, ABEBooks.com, and the Weather Underground, to name just a few, are explained in detail, so that you understand how and why they work.

Perl programmers who want to automate and mine the web can pick up this book and be immediately productive. Written by a contributor to LWP, and with a foreword by one of LWP's creators, Perl & LWP is the authoritative guide to this powerfuland popular toolkit.

Table of Contents

ForewordPrefaceChapter 1: Introduction to Web AutomationChapter 2: Web BasicsChapter 3: The LWP Class ModelChapter 4: URLsChapter 5: FormsChapter 6: Simple HTML Processing with Regular ExpressionsChapter 7: HTML Processing with TokensChapter 8: Tokenizing WalkthroughChapter 9: HTML Processing with TreesChapter 10: Modifying HTML with TreesChapter 11: Cookies, Authentication,and Advanced RequestsChapter 12: SpidersAppendix A: LWP ModulesAppendix B: HTTP Status CodesAppendix C: Common MIME TypesAppendix D: Language TagsAppendix E: Common Content EncodingsAppendix F: ASCII TableAppendix G: User's View of Object-Oriented ModulesColophon

Product Details

ISBN:
9780596001780
Foreword:
Aas, Gisle
Author:
Aas, Gisle
Foreword by:
Aas, Gisle
Foreword:
Aas, Gisle
Author:
Burke, Sean M.
Publisher:
O'Reilly Media
Subject:
Internet - General
Subject:
Programming Languages - General
Subject:
Programming - General
Subject:
Internet - Web Site Design
Subject:
Application software
Subject:
Programming Languages - CGI, Javascript, Perl, VBScript
Subject:
Perl (computer program language)
Subject:
Programming Languages - Perl
Subject:
Web - Page Design
Subject:
World Wide Web
Subject:
General-General
Subject:
HTML;LWP;Library for WWW in Perl;Perl;screen scraping;screenscraping;web;web automation;web services
Edition Description:
Trade Paper
Publication Date:
20020631
Binding:
TRADE PAPER
Language:
English
Illustrations:
Y
Pages:
262
Dimensions:
9.20x7.08x.68 in. .92 lbs.

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Related Subjects

Computers and Internet » Computer Languages » Javascript
Computers and Internet » Computer Languages » Perl
Computers and Internet » Internet » General
Computers and Internet » Internet » Information
Computers and Internet » Internet » Web » Site Design
Computers and Internet » Internet » Web Publishing
Computers and Internet » Software Engineering » Programming and Languages
Religion » Comparative Religion » General

Perl and LWP New Trade Paper
0 stars - 0 reviews
$39.99 In Stock
Product details 262 pages O'Reilly & Associates - English 9780596001780 Reviews:
"Synopsis" by ,
This comprehensive guide to LWP and its applications comes with many practical examples. Topics include fetching Web pages, submitting forms, using various techniques for HTML parsing, handling cookies and authentication.
"Synopsis" by , Perl soared to popularity as a language for creating and managing web content, but with LWP (Library for WWW in Perl), Perl is equally adept at consuming information on the Web. LWP is a suite of modules for fetching and processing web pages.

The Web is a vast data source that contains everything from stock prices to movie credits, and with LWP all that data is just a few lines of code away. Anything you do on the Web, whether it's buying or selling, reading or writing, uploading or downloading, news to e-commerce, can be controlled with Perl and LWP. You can automate Web-based purchase orders as easily as you can set up a program to download MP3 files from a web site.

Perl & LWP covers:

Understanding LWP and its design

Fetching and analyzing URLs

Extracting information from HTML using regular expressions and tokens

Working with the structure of HTML documents using trees

Setting and inspecting HTTP headers and response codes

Managing cookies

Accessing information that requires authentication

Extracting links

Cooperating with proxy caches

Writing web spiders (also known as robots) in a safe fashion

Perl & LWP includes many step-by-step examples that show how to apply the various techniques. Programs to extract information from the web sites of BBC News, Altavista, ABEBooks.com, and the Weather Underground, to name just a few, are explained in detail, so that you understand how and why they work.

Perl programmers who want to automate and mine the web can pick up this book and be immediately productive. Written by a contributor to LWP, and with a foreword by one of LWP's creators, Perl & LWP is the authoritative guide to this powerfuland popular toolkit.

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