Pro Bash: Learn to Script and Program the GNU/Linux Shell by Jayant Varma Paperb

Description: Pro Bash by Jayant Varma 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.What Youll Learn Use the Bash shell to write utilities and accomplish most programming tasksReplace many external commands with shell parameter expansion making scripts very fastAvoid many common mistakes that cause scripts to failSee how Bashs read line and history libraries can save typing when getting user inputBuild shell scripts that get information from the WebWho This Book Is ForDevelopers, programmers, and open source enthusiasts who want to write scripts using Bash on multiple platforms FORMAT Paperback CONDITION Brand New Author Biography Jayant Varma is the founder of OZ Apps (www.oz-apps.com), a consulting and development company providing IT solutions. He is an experienced developer with more than 30 years of industry experience spread across several countries. As well as being a university lecturer in Australia where he currently resides, he is the author of a number of books topics like SwiftUI Lua and Xcode as well as Open Source topics like Linux, Bash and Shell Scripting . He loves to travel and finds Europe to be his favorite destination.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 is now retired and currently resides in Toronto, Canada. Table of Contents 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. Review "This is an excellent reference book for those who need to write Bash scripts. It is well organized, logically presented, and covers all the major commands and structures that are necessary to write useful scripts. … Each chapter ends with a summary, a list of the commands introduced, and some exercises for the reader to try in order to practice the skills they have just learned." (Michael Oudshoorn, Computing Reviews, February 15, 2024) Details ISBN1484295870 Author Jayant Varma Publisher APress Edition 3rd ISBN-13 9781484295878 Format Paperback Imprint APress Place of Publication Berkley Country of Publication United States Replaces 9781484201220 AU Release Date 2023-12-10 NZ Release Date 2023-12-10 UK Release Date 2023-12-10 Edition Description 3rd ed. Audience Professional & Vocational Subtitle Learn to Script and Program the GNU/Linux Shell Year 2023 DEWEY 005.437 Pages 305 Illustrations 12 Illustrations, black and white; XXI, 305 p. 12 illus. Publication Date 2023-11-08 US Release Date 2023-11-08 ISBN-10 1484295870 We've got this At The Nile, if you're looking for it, we've got it. With fast shipping, low prices, friendly service and well over a million items - you're bound to find what you want, at a price you'll love! TheNile_Item_ID:158852401;

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