Pro Bash Programming, Second Edition - Chris Johnson, Jayant Varma

Pro Bash Programming, Second Edition

Scripting the GNU/Linux Shell
Buch | Softcover
256 Seiten
2015 | 2nd ed.
Apress (Verlag)
978-1-4842-0122-0 (ISBN)
80,24 inkl. MwSt
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Pro Bash Programming teaches you how to effectively utilize the Bash shell in your programming. 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 4.3 programs through standard programming techniques.

This second edition has updated for Bash 4.3, and many scripts have been rewritten to make them more idiomatically Bash, taking better advantage of features specific to Bash. It is easy to read, understand, and will teach you how to get to grips with Bash programming without drowning you in pages and pages of syntax.

Using this book you will be able to use the shell efficiently, make scripts run faster using expansion and external commands, and understand how to overcome many common mistakes that cause scripts to fail. This book is perfect for all beginning Linux and Unix system administrators who want to be in full control of their systems, and really get to grips with Bash programming.

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.

Chapter One: Hello, World! Your First Shell Program Chapter Two: Input, Output, and Throughput

Chapter Three: Looping and Branching

Chapter Four: Command-Line Parsing and Expansion

Chapter Five: Parameters and Variables

Chapter Six: Shell Functions

Chapter Seven: String Manipulation

Chapter Eight: File Operations and Commands

Chapter Nine: Reserved Words and Builtin Commands

Chapter Ten: Writing Bug-Free Scripts and Debugging the Rest

Chapter Eleven: Programming for the Command Line

Chapter Twelve: Runtime Configuration

Chapter Thirteen: Data Processing

Chapter Fourteen: Scripting the Screen

Chapter Fifteen: Entry-Level Programming

Appendix A: Shell Variables

Zusatzinfo 8 Illustrations, black and white; XXIII, 256 p. 8 illus.
Verlagsort Berkley
Sprache englisch
Maße 178 x 254 mm
Gewicht 4873 g
Themenwelt Informatik Betriebssysteme / Server Unix / Linux
Mathematik / Informatik Informatik Programmiersprachen / -werkzeuge
Mathematik / Informatik Informatik Software Entwicklung
Mathematik / Informatik Informatik Theorie / Studium
Schlagworte bash Shell
ISBN-10 1-4842-0122-1 / 1484201221
ISBN-13 978-1-4842-0122-0 / 9781484201220
Zustand Neuware
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