Publisher: Apress
Language: English
ISBN: 1430219971
Paperback: 350 pages
Description: Pro Bash Programming Scripting the GNULinux Shell /by Chris F.A. Johnson (Author).The bash shell is a complete programming language, not merely a glue to combine external Linux commands. By taking full advantage of shell internals, shell programs can perform as snappily as utilities written in C or other compiled languages. And you will see how, without assuming Unix lore, you can write professional bash 4.0 programs through standard programming techniques.
* Complete bash coverage
* Teaches bash as a programming language
* Helps you master bash 4.0 features
What you’ll learn
* Use the shell to write new utilities and accomplish most programming tasks.
* Use shell parameter expansion to replace many external commands, making scripts very fast.
* Learn to avoid many common mistakes that cause scripts to fail.
* Learn how bash’s readline and history libraries can save typing when getting user input.
* Learn to use the new bash 4.0 features.
* Build shell scripts that get information from the Web.
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