Minggu, 03 Juli 2016

PDF Download Perl & LWP

PDF Download Perl & LWP

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Perl & LWP

Perl & LWP


Perl & LWP


PDF Download Perl & LWP

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Perl & LWP

Amazon.com Review

Perl & LWP sets out to unwrap the Library for the Web in Perl (LWP), which is a collection of modules that make it easier to access and pick apart Web pages (and FTP-accessible files, and outgoing e-mail messages) from within your Perl programs. The book succeeds wonderfully, not only in conveying the technical aspects of LWP programming, but in making clear the fun of doing work that's very well suited to Perl. Sean Burke assumes that his readers know something about Perl, albeit not much, and a similar amount about HTML. He does a great job of explaining how LWP functions fit into Perl programs, and how you can use them to make reference to Internet resources far more easily than before.Burke's narrative takes the form of a guided tour in which he introduces his readers to aspects of the LWP modules one by one. His tone is generally straightforward (sharp commentary alternates with brief code listings, with occasional passages of reference material), but there's sometimes an undercurrent of exuberance that makes the reader want to get going with his or her own programming right away. Overall, the emphasis is on teaching both LWP and Perl itself to the extent necessary to do LWP work. Because of the concise and nicely indexed code modules, though, you'll find this book useful as a reference after you're under way with LWP. --David Wall Topics covered: How to program with LWP and Perl itself. All of LWP's strong points--including HTML parsing (with tokens and trees as well as with regular expressions), HTML generation and modification, manipulation of HTML forms, and the operation of spiders--are covered. This book has more of a tutorial tone than any similar reference material on the Internet.

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About the Author

Sean Burke is an active member in the Perl community and one of CPAN's most prolific module authors. He has been a columnist for The Perl Journal since 1998, and is an authority on markup languages. Trained as a linguist, he also develops tools for software internationalization and Native language preservation.

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Product details

Paperback: 262 pages

Publisher: O'Reilly Media; 1 edition (June 30, 2002)

Language: English

ISBN-10: 9780596001780

ISBN-13: 978-0596001780

ASIN: 0596001789

Product Dimensions:

7 x 0.7 x 9.2 inches

Shipping Weight: 1.1 pounds (View shipping rates and policies)

Average Customer Review:

3.9 out of 5 stars

16 customer reviews

Amazon Best Sellers Rank:

#2,111,794 in Books (See Top 100 in Books)

Great reference book, with immediately-useful content. Coding examples make the information crystal clear.

I needed to use LWP to interact with various web APIs; 'Perl & LWP' turned out to be exactly what I was looking for. Although it's dated, the book contains a wealth of information about the module and working with HTTP in Perl.It is worth noting that in 2007, the book's author, Sean Burke, published the text of the book on his personal website at [...]. If you're thinking of purchasing the Kindle edition of this book (like I ended up doing), you may be better off using his site. Clearly, if you want a physical copy of the book Amazon is still a great way to go.

Too abstract

Excellent!

son loves it

Good reference with lots of examples.

As a web programmer, I had dealt with several such projects dealing with web automation and writing simple crawlers even before I read "Perl & LWP". The book was the first book I've read on the subject, and I'm by no means disappointed. The book is very well organized, very informative and nails the subject in the head. I am pleased.I noticed some inaccuracies in the discussions, some chopped off paragraphs and sentences. But this doesn't affect the usability of the book much. Author Sean Burke does a great job in walking one through the most of the aspects of web automation and data extraction in the web using Perl and LWP (libwww in Perl ).The codes the book gives are very well organized, well written and easily debugable. The steps are pretty consistent across all the examples: a) Inspect the HTML source code of the page; b) Determine the tokens and patterns of interest; c) Write the first code; d) Fine tune the code;As usual, I'll be commenting on individual chapters to give you an idea of thecoverage of the book in more details...

I bought this book to get information automatically on japanese stocks(for example, charts, price, volume, PER, PBR, ROE, ROA, News, messages on Yahoo! Japan BBS for stocks) from the WEB every day.Somehow this book has not yet translated into Japanese language.I think this book would sell very well if translated into Japanese. Many demands.This book is self-contained about the WEB, so you need little Perl programming rules and don't have to have knowledge on the Internet Protocols(HTTP) at all.In most cases, all you need to do is to modify an example program on this book for your use very little.

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