Pro Bash : learn to script and program the GNU/Linux shell / Jayant Varma, Chris F.A. Johnson.
Varma, Jayant, author.; Johnson, Chris F. A., author.
2023
QA76.774.U64
Available Online

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Title Pro Bash : learn to script and program the GNU/Linux shell / Jayant Varma, Chris F.A. Johnson.
Author Varma, Jayant, author.
Edition Third edition.
ISBN 9781484295885 (electronic bk.)
1484295889 (electronic bk.)
9781484295878
1484295870
DOI https://doi.org/10.1007/978-1-4842-9588-5
Published New York : Apress, [2023]
Copyright ©2023
Language English
Description 1 online resource (xxi, 305 pages) : illustrations
Item Number 10.1007/978-1-4842-9588-5 doi
Call Number QA76.774.U64
Dewey Decimal Classification 005.4/38
Summary Learn how to effectively utilize the Bash shell in your programming. This refreshed and expanded third edition has been updated to Bash 5.2, 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. 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 programs through standard programming techniques. You will: Use the Bash shell to write utilities and accomplish most programming tasks Replace many external commands with shell parameter expansion making scripts very fast Avoid many common mistakes that cause scripts to fail See how Bashs read line and history libraries can save typing when getting user input Build shell scripts that get information from the Web.
Bibliography, etc. Note Includes bibliographical references and index.
Access Note Access limited to authorized users.
Source of Description Description based on print version record.
Added Author Johnson, Chris F. A., author.
Available in Other Form Pro Bash.
Linked Resources Online Access
Record Appears in Online Resources > Ebooks
All Resources
1. Hello, World: Your First Shell Program
2. Input, Output and Throughput
3. Looping and Branching
4. Command-Line parsing and Expansion
5. Parameters and Variables
6. Shell Functions
7. String Manipulation
8. File Operations and Commands
9. Reserved Words and Built-in Commands
10. Writing Bug-Free Scripts and Debugging the Rest
11. Programming for the Command Line
12. Runtime Configuration
13. Data Processing.-14. Scripting the Screen
15. Entry Level Programming.

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