Pro Bash Programming: Scripting the GNU/Linux Shell

# Paperback: 350 pages
# Publisher: Apress; 1 edition (October 19, 2009)
# Language: English
# ISBN-10: 1430219971
# ISBN-13: 978-1430219972


Product Description

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.


About the Apress Pro Series

The Apress Pro series books are practical, professional tutorials to keep you on and moving up the professional ladder.

You have gotten the job, now you need to hone your skills in these tough competitive times. The Apress Pro series expands your skills and expertise in exactly the areas you need. Master the content of a Pro book, and you will always be able to get the job done in a professional development project. Written by experts in their field, Pro series books from Apress give you the hard–won solutions to problems you will face in your professional programming career.


About the Author

Chris F.A. Johnson was introduced to Unix in 1990 and learned shell scripting because there was no C compiler on the system. His first major project was a menu–driven, user–extensible database system with report generator. Chris uses the shell as his primary, general–purpose programming language, and his projects have included a member database, menuing system, and POP3 mail filtering and retrieval. Chris is the author of Shell Scripting Recipes: A Problem–Solution Approach (Apress, 2005). When not pushing shell scripting to the limit, he designs and codes web sites, teaches chess, and composes cryptic crosswords.

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Pro Bash Programming: Scripting the GNU/Linux Shell

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