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!
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About the Author
Table of ContentsINTRODUCTION 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