Shell Scripting: Expert Recipes for Linux, Bash, and more

ISBN-13: 9781118024485 / Angielski / Miękka / 2011 / 600 str.

Steve Parker

Opis

A compendium of shell scripting recipes that can immediately be used, adjusted, and applied The shell is the primary way of communicating with the Unix and Linux systems, providing a direct way to program by automating simple-to-intermediate tasks. With this book, Linux expert Steve Parker shares a collection of shell scripting recipes that can be used as is or easily modified for a variety of environments or situations. The book covers shell programming, with a focus on Linux and the Bash shell; it provides credible, real-world relevance, as well as providing the flexible tools to get started immediately.

• Shares a collection of helpful shell scripting recipes that can immediately be used for various of real-world challenges
• Features recipes for system tools, shell features, and systems administration
• Provides a host of plug and play recipes for to immediately apply and easily modify so the wheel doesn't have to be reinvented with each challenge faced

Come out of your shell and dive into this collection of tried and tested shell scripting recipes that you can start using right away

Spis treści

INTRODUCTION xxix

PART I: ABOUT THE INGREDIENTS.

CHAPTER 1: THE HISTORY OF UNIX, GNU, AND LINUX 3

CHAPTER 2: GETTING STARTED 15

CHAPTER 3: VARIABLES 33

CHAPTER 4: WILDCARD EXPANSION 67

CHAPTER 5: CONDITIONAL EXECUTION 83

CHAPTER 6: FLOW CONTROL USING LOOPS 111

CHAPTER 7: VARIABLES CONTINUED 139

CHAPTER 8: FUNCTIONS AND LIBRARIES 161

CHAPTER 9: ARRAYS 199

CHAPTER 10: PROCESSES 219

CHAPTER 11: CHOOSING AND USING SHELLS 255

PART II: RECIPES FOR USING AND EXTENDING SYSTEM TOOLS.

CHAPTER 12: FILE MANIPULATION 279

CHAPTER 13: TEXT MANIPULATION 315

CHAPTER 14: TOOLS FOR SYSTEMS ADMINISTRATION 353

PART III: RECIPES FOR SYSTEMS ADMINISTRATION.

CHAPTER 15: SHELL FEATURES 409

CHAPTER 16: SYSTEMS ADMINISTRATION 427

CHAPTER 17: PRESENTATION 459

CHAPTER 18: DATA STORAGE AND RETRIEVAL 471

CHAPTER 19: NUMBERS 483

CHAPTER 20: PROCESSES 501

CHAPTER 21: INTERNATIONALIZATION 517

PART IV: REFERENCE.

APPENDIX: FURTHER READING 529

GLOSSARY 533

INDEX 539

O autorze

Steve Parker is an IT consultant specializing in Solaris and GNU/Linux. He has been providing consultancy services for more than a decade. He is the author of the popular Bourne Shell Programming/Scripting Tutorial (http://steve–parker.org/sh/sh.shtml), which sees more than one million visitors a year.

Blurb

Tried–and–true recipes that can be immediately applied or easily adjusted to meet your needs

The shell is the primary way of communicating with Unix and Linux systems, providing a direct way to program by automating simple to intermediate tasks. In this invaluable resource, Unix, Linux, and shell scripting expert Steve Parker shares a collection of shell scripting recipes that can be used as provided or easily modified for a variety of environments and situations. The book begins with coverage of theory and principles, replete with insightful examples of each element discussed. You then move on to an in–depth discussion of shell programming, covering all Unix flavors but with a focus on Linux and the Bash shell. All the while, you explore credible, real–world recipes and the tools necessary to get started immediately.

Shell Scripting:

• Shares a compendium of helpful shell scripting recipes that can be used to address a variety of real–world challenges

• Includes recipes using file and text control as well as general systems administration tasks

• Provides a host of plug–and–play recipes ready for you to immediately apply and easily modify

• Examines variables, if/then conditionals, loops, functions, pipes, redirects, and more

wrox.com

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