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Commento: The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged.
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sed & awk (Inglese) Copertina flessibile – 1 mar 1997

5.0 su 5 stelle 1 recensione cliente

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Descrizione prodotto

L'autore

Dale Dougherty is the publisher of the O'Reilly Network and Director of O'Reilly Research. Dale has been instrumental in many of O'Reilly's most important efforts, including founding O'Reilly & Associates with Tim O'Reilly. He was the developer and publisher of Global Network Navigator (GNN), the first commercial Web site. Dale was developer and publisher of Web Review, the online magazine for Web designers, and he was O'Reilly & Associates' first editor. Dale has written and edited numerous books at O'Reilly & Associates. Dougherty is a Lecturer in the School of Information Management and Systems (SIMS) at the University of California at Berkeley.

Arnold Robbins, an Atlanta native, is a professional programmer and technical author. He has worked with Unix systems since 1980, when he was introduced to a PDP-11 running a version of Sixth Edition Unix. He has been a heavy AWK user since 1987, when he became involved with gawk, the GNU project's version of AWK. As a member of the POSIX 1003.2 balloting group, he helped shape the POSIX standard for AWK. He is currently the maintainer of gawk and its documentation. He is also coauthor of the sixth edition of O'Reilly's Learning the vi Editor. Since late 1997, he and his family have been living happily in Israel.

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Dettagli prodotto

  • Copertina flessibile: 434 pagine
  • Editore: O'Reilly Media; 2 edizione (1 marzo 1997)
  • Collana: In a Nutshell
  • Lingua: Inglese
  • ISBN-10: 1565922255
  • ISBN-13: 978-1565922259
  • Peso di spedizione: 839 g
  • Media recensioni: 5.0 su 5 stelle  Visualizza tutte le recensioni (1 recensione cliente)
  • Posizione nella classifica Bestseller di Amazon: n. 118.553 in Libri in altre lingue (Visualizza i Top 100 nella categoria Libri in altre lingue)
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Formato: Copertina flessibile Acquisto verificato
Se hai qualche dubbio o non ricordi qualcosa su sed o awk, questo è il libro che vuoi tenere sulla tua scrivania
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Le recensioni clienti più utili su Amazon.com (beta) (Potrebbero essere presenti recensioni del programma "Early Reviewer Rewards")

Amazon.com: 4.5 su 5 stelle 69 recensioni
3 di 3 persone hanno trovato utile la seguente recensione
5.0 su 5 stelle my favourite language covered well 11 maggio 2014
Di Kim L - Pubblicato su Amazon.com
Formato: Formato Kindle Acquisto verificato
The UNIX command line pipeline remains one of the seminal concepts of computer science. It remains one of the greatest achievements in my opinion and AWK may be one of the greatest embodiments of the concepts while adding just enough capability to be a language on its own as well. In these days of rdf and jason, plain and encoded text remains a viable alternative for simple tasks. Very well worth the read, especially if you were not trained in the 60s or 70s ...
6 di 6 persone hanno trovato utile la seguente recensione
5.0 su 5 stelle Can Replace All of Your SED & AWK Bookmarks (2ndEd) 13 agosto 2008
Di Clint Pachl - Pubblicato su Amazon.com
Formato: Copertina flessibile Acquisto verificato
This book is like a big tutorial series, packed with tons of applicable examples. It is not a reference, that's what the man pages are for, although the index if very good. In fact, the combination of the *BSD man pages and this book would give any man all the SED and AWK documentation he would ever need.

SED and AWK are these two very terse programs that, if you don't use them everyday, you tend to forget their syntax and functionality. I am not an everyday user. Before I bought this book, I often visited one of my many SED/AWK bookmarks. After years of using both programs, I never really understood them. I knew just enough to do small one-liners. However, I recently needed to build a fairly complex script to perform an automated OS upgrade via the network. I knew SED and AWK could help me accomplish my task, but I didn't have a full understanding of their potential. That's when I decided to buy this book. I have since then deleted all of my SED and AWK bookmarks.

After studying this book and highlighting the hell out of it, I have a clear understanding of these two tools and how to effectively utilize them.
7 di 8 persone hanno trovato utile la seguente recensione
3.0 su 5 stelle Somewhat useful 25 febbraio 2013
Di William M - Pubblicato su Amazon.com
Formato: Copertina flessibile Acquisto verificato
I bought a used copy, which turned out to have been printed in 1992. Operating system references are to UNIX, as Linux was a virtually-unknown infant at the time; references to various software utilities is similarly dated. The 2nd edition might be somewhat better; it's listed as a 1997 edition, so it may actually be aware of Linux. Even so, I would be skeptical of spending the dough on a pig in a poke.

Dated material aside, I found the book difficult to use, even though I've been learning programming languages since 1982 -- including that early, primitive BASIC, 8086 assembly, Pascal, C, C++, Perl, HTML, Java, VB, and others. The flow of its materials presentation doesn't seem to build naturally from ground zero. Perhaps if I'd learned programming on a UNIX machine, the references in this book would be clearer.

So, heads up if you're looking to learn sed and awk. This book can probably be of some help (especially if you're a UNIX geek), but you may well need to augment it with a lot of on-line or other research.
5 di 6 persone hanno trovato utile la seguente recensione
5.0 su 5 stelle Another brilliant book from the O'Reilly crew. 30 marzo 2001
Di Wandering Soul - Pubblicato su Amazon.com
Formato: Copertina flessibile Acquisto verificato
This is a typically great book from O'Reilly Press. I find this book to be invaluable when I need to look up how to do something with sed or awk.
It takes you through the basics of sed and awk, shows you regular expression syntax and delves deeper into both programs. For sed it shows you all of the basic sed commands as well as many of the more advanced commands such as multiline pattern spaces. With awk it goes even deeper as awk is a more powerful program. It shows the basics for writing awk scripts then takes you into flow control, functions and debugging.
I find the writing to be concise and clear with many examples to show you how it works in the real world.
All in all it's a great book for the unix admin or programmer to have on their bookshelf.
2 di 3 persone hanno trovato utile la seguente recensione
4.0 su 5 stelle basic tools to do a basic job 14 dicembre 2008
Di Herbert C. Meyer - Pubblicato su Amazon.com
Formato: Copertina flessibile Acquisto verificato
Computers do one basic job, they process data. Often, you do not have control over the output format of the data, but the stuff you want in in there somewhere. So you capture the output to a file, and then chop and hack at it with a text editor to get the data you want in format somewhat like you want.
You can either spend the rest of eternity with a text editor or get these guys, and learn a bit to instruct them to do totally boring but useful drudgery. And perhaps learn about regular expressions and pattern matching. And then do something interesting.
Don't worry, you will have do do it again, if for no other reason than the entity that controls the format of the data decided to change it, for no other reason than to annoy and confound you. But, since you have learned about pattern matching, a minor change will fix it, and you can go back to whatever.
The specific purpose this time was to avoid subscribing to a listing service for cable tv programming. Zap2it publishes the listings on most newspaper websites, and program called wget allows me to write these listings to a file. Then using sed to slice and dice allows me to read simply formatted listings, and eventually feed them to a recording system.