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Файл:Advanced Bash Shell Scripting Gude.pdf
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- •Advanced Bash-Scripting Guide
- •Dedication
- •Table of Contents
- •Part 1. Introduction
- •Advanced Bash-Scripting Guide
- •Chapter 2. Starting Off With a Sha-Bang
- •2.1. Invoking the script
- •2.2. Preliminary Exercises
- •Part 2. Basics
- •Chapter 3. Exit and Exit Status
- •Chapter 4. Special Characters
- •Chapter 5. Introduction to Variables and Parameters
- •5.1. Variable Substitution
- •5.2. Variable Assignment
- •5.3. Bash Variables Are Untyped
- •5.4. Special Variable Types
- •Chapter 6. Quoting
- •Chapter 7. Tests
- •7.1. Test Constructs
- •7.2. File test operators
- •7.3. Comparison operators (binary)
- •7.4. Nested if/then Condition Tests
- •7.5. Testing Your Knowledge of Tests
- •8.1. Operators
- •8.2. Numerical Constants
- •Part 3. Beyond the Basics
- •Chapter 9. Variables Revisited
- •9.1. Internal Variables
- •9.2. Manipulating Strings
- •9.3. Parameter Substitution
- •9.4. Typing variables: declare or typeset
- •9.5. Indirect References to Variables
- •9.6. $RANDOM: generate random integer
- •9.7. The Double Parentheses Construct
- •Chapter 10. Loops and Branches
- •10.1. Loops
- •10.2. Nested Loops
- •10.3. Loop Control
- •10.4. Testing and Branching
- •Chapter 11. Internal Commands and Builtins
- •12.1. Basic Commands
- •12.2. Complex Commands
- •12.3. Time / Date Commands
- •12.4. Text Processing Commands
- •12.5. File and Archiving Commands
- •12.6. Communications Commands
- •12.7. Terminal Control Commands
- •12.8. Math Commands
- •12.9. Miscellaneous Commands
- •Chapter 13. System and Administrative Commands
- •Chapter 14. Command Substitution
- •Chapter 15. Arithmetic Expansion
- •Chapter 16. I/O Redirection
- •16.1. Using exec
- •16.2. Redirecting Code Blocks
- •16.3. Applications
- •Chapter 17. Here Documents
- •Chapter 18. Recess Time
- •Part 4. Advanced Topics
- •Chapter 19. Regular Expressions
- •19.1. A Brief Introduction to Regular Expressions
- •19.2. Globbing
- •Chapter 20. Subshells
- •Chapter 21. Restricted Shells
- •Chapter 22. Process Substitution
- •Chapter 23. Functions
- •23.1. Complex Functions and Function Complexities
- •23.2. Local Variables
- •Chapter 24. Aliases
- •Chapter 25. List Constructs
- •Chapter 26. Arrays
- •Chapter 27. Files
- •Chapter 28. /dev and /proc
- •28.2. /proc
- •Chapter 29. Of Zeros and Nulls
- •Chapter 30. Debugging
- •Chapter 31. Options
- •Chapter 32. Gotchas
- •Chapter 33. Scripting With Style
- •Chapter 34. Miscellany
- •34.2. Shell Wrappers
- •34.3. Tests and Comparisons: Alternatives
- •34.4. Optimizations
- •34.5. Assorted Tips
- •34.6. Oddities
- •34.7. Security Issues
- •34.8. Portability Issues
- •34.9. Shell Scripting Under Windows
- •Chapter 35. Bash, version 2
- •36. Endnotes
- •36.1. Author's Note
- •36.2. About the Author
- •36.3. Tools Used to Produce This Book
- •36.4. Credits
- •List of Tables
- •List of Examples
- •Bibliography
Basics
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Advanced Bash-Scripting Guide: |
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Part 2. Basics
Table of Contents
3.Exit and Exit Status
4.Special Characters
5.Introduction to Variables and Parameters
5.1.Variable Substitution
5.2.Variable Assignment
5.3.Bash Variables Are Untyped
5.4.Special Variable Types
6.Quoting
7.Tests
7.1.Test Constructs
7.2.File test operators
7.3.Comparison operators (binary)
7.4.Nested if/then Condition Tests
7.5.Testing Your Knowledge of Tests
8.Operations and Related Topics
8.1.Operators
8.2.Numerical Constants
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Exit and Exit Status |
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