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Title: The Korn Shell: Linux and Unix Shell Programming Manual (3rd Edition) by Anatole Olczak ISBN: 0-201-67523-4 Publisher: Addison-Wesley Pub Co Pub. Date: 05 January, 2001 Format: Paperback Volumes: 1 List Price(USD): $46.99

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Average Customer Rating: 4 (4 reviews)

Rating: 3
Summary: Not enough coverage
Comment: I purchased this book as a quick reference that has enough detailed explanation.
It does exactly that - but only for a limited number of system calls/commands.
And for others, they aren't even mentioned.
I guess it might be a good "beginner" book, but not a reference.

Rating: 5
Summary: A good book
Comment: This book has several code examples broken down into their smallest form. It has an easy to read, easy to learn lay-out. It is a great book for beginners to read or for experts to use as a reference. This is the best computer book which I have ever bought.

Rating: 3
Summary: Not bad... but has shortcomings
Comment: I'm not a heavy duty shell programmer... Perl, and especially Python, are my preferred scripting languages. However, every once in a while the appropriate tool for the job is a shell script.

I've found that this book covers all the bases, but doesn't go deep. I was frustrated by the book yesterday when I need to write a script to check all the executable files in a directory for what libraries they were linked to.

On page 172 the author says: "Because manipulating files is so important in programming, the Korn shell provies a whole range of file operators." Absolutely right. He then shows examples of only 5 of the tests in small code examples. No others are mentioned or even alluded to. My "Learning Perl" book (O'Reilly) has a table listing 25 file tests (including the one I needed).

I also needed to do some string comparisons and manipulations. A pretty common task. Head for the index and look for entries for "string". You get one: string length.

What is in the book is well presented and an easy read, but the lack of depth will limit your productivity.

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