Customer Review

6 of 6 people found the following review helpful
5.0 out of 5 stars Excellent detailed resource, just not for beginners, March 8, 2009
This review is from: Expert Shell Scripting (Expert's Voice in Open Source) (Paperback)
Ron Peters does not explain many basic programming structures here, but that's okay, because the main purpose of this book is to combine some of the most unique tools, code snippets, and scripts that go beyond the level of basic scripts. This is essentially a cookbook of lesser-known recipes and fairly advanced algorithms, commands, and scripts that have proved useful to the author over time.

Peters demonstrates a few very useful complex command line commands, like those found on the Command-line-fu site. The scripts are tailored to be useful at multiple levels. Most times, however, there is little or no error-checking since that is not necessarily the point of a [specific] script. The reader must be prepared to make modifications to fit his local environment. The reason you want this book is that Peters goes into great detail about how and why the scripts were written in their present form, and he includes sound explanations of how to avoid certain problems. He notes that most shell scripting sources are heavy in obfuscation and light on clarity, therefore he is as explicit as possible in this book, and favored explaining too much rather than too little. Many chapters included can be read as shell scripts with extremely detailed commentary. I'm glad I bought it.
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