Advanced Bash Scripting Guide Adv Shell

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Table of Contents
Chapter 1. Shell Programming!
Chapter 2. Starting Off With a Sha-Bang
- 2.1. Invoking the script
- 2.2. Preliminary Exercises
Part 2. Basics
Chapter 3. Special Characters
Chapter 4. Introduction to Variables and Parameters
- 4.1. Variable Substitution
- 4.2. Variable Assignment
- 4.3. Bash Variables Are Untyped
- 4.4. Special Variable Types
Chapter 5. Quoting
- 5.1. Quoting Variables
- 5.2. Escaping
Chapter 6. Exit and Exit Status
Chapter 7. Tests
- 7.1. Test Constructs
- 7.2. File test operators
- 7.3. Other Comparison Operators
- 7.4. Nested if/then Condition Tests
- 7.5. Testing Your Knowledge of Tests
Chapter 8. Operations and Related Topics
- 8.1. Operators
- 8.2. Numerical Constants
- 8.3. The Double-Parentheses Construct
- 8.4. Operator Precedence
Part 3. Beyond the Basics
Chapter 9. Another Look at Variables
- 9.1. Internal Variables
- 9.2. Typing variables: declare or typeset
  - 9.2.1. Another use for declare
- 9.3. $RANDOM: generate random integer
Chapter 10. Manipulating Variables
- 10.1. Manipulating Strings
  - 10.1.1. Manipulating strings using awk
  - 10.1.2. Further Reference
- 10.2. Parameter Substitution
Chapter 11. Loops and Branches
- 11.1. Loops
- 11.2. Nested Loops
- 11.3. Loop Control
- 11.4. Testing and Branching
Chapter 12. Command Substitution
Chapter 13. Arithmetic Expansion
Chapter 14. Recess Time
Part 4. Commands
Chapter 15. Internal Commands and Builtins
- 15.1. Job Control Commands
Chapter 16. External Filters, Programs and Commands
- 16.1. Basic Commands
- 16.2. Complex Commands
- 16.3. Time / Date Commands
- 16.4. Text Processing Commands
- 16.5. File and Archiving Commands
- 16.6. Communications Commands
- 16.7. Terminal Control Commands
- 16.8. Math Commands
- 16.9. Miscellaneous Commands
Chapter 17. System and Administrative Commands
- 17.1. Analyzing a System Script
Part 5. Advanced Topics
Chapter 18. Regular Expressions
- 18.1. A Brief Introduction to Regular Expressions
- 18.2. Globbing
Chapter 19. Here Documents
- 19.1. Here Strings
Chapter 20. I/O Redirection
- 20.1. Using exec
- 20.2. Redirecting Code Blocks
- 20.3. Applications
Chapter 21. Subshells
Chapter 22. Restricted Shells
Chapter 23. Process Substitution
Chapter 24. Functions
- 24.1. Complex Functions and Function Complexities
- 24.2. Local Variables
  - 24.2.1. Local variables and recursion.
- 24.3. Recursion Without Local Variables
Chapter 25. Aliases
Chapter 26. List Constructs
Chapter 27. Arrays
Chapter 28. Indirect References
Chapter 29. /dev and /proc
- 29.1. /dev
- 29.2. /proc
Chapter 30. Network Programming
Chapter 31. Of Zeros and Nulls
Chapter 32. Debugging
Chapter 33. Options
Chapter 34. Gotchas
Chapter 35. Scripting With Style
- 35.1. Unofficial Shell Scripting Stylesheet
Chapter 36. Miscellany
- 36.1. Interactive and non-interactive shells and scripts
- 36.2. Shell Wrappers
- 36.3. Tests and Comparisons: Alternatives
- 36.4. Recursion: a script calling itself
- 36.5. "Colorizing" Scripts
- 36.6. Optimizations
- 36.7. Assorted Tips
  - 36.7.1. Ideas for more powerful scripts
  - 36.7.2. Widgets
- 36.8. Security Issues
- 36.9. Portability Issues
  - 36.9.1. A Test Suite
- 36.10. Shell Scripting Under Windows
Chapter 37. Bash, versions 2, 3, and 4
- 37.1. Bash, version 2
- 37.2. Bash, version 3
  - 37.2.1. Bash, version 3.1
  - 37.2.2. Bash, version 3.2
- 37.3. Bash, version 4
  - 37.3.1. Bash, version 4.1
  - 37.3.2. Bash, version 4.2
Chapter 38. Endnotes
- 38.1. Author's Note
- 38.2. About the Author
- 38.3. Where to Go For Help
- 38.4. Tools Used to Produce This Book
  - 38.4.1. Hardware
  - 38.4.2. Software and Printware
- 38.5. Credits
- 38.6. Disclaimer
Bibliography
Appendix A. Contributed Scripts
Appendix B. Reference Cards
Appendix C. A Sed and Awk Micro-Primer
- C.1. Sed
- C.2. Awk
Appendix D. Exit Codes With Special Meanings
Appendix E. A Detailed Introduction to I/O and I/O Redirection
Appendix F. Command-Line Options
- F.1. Standard Command-Line Options
- F.2. Bash Command-Line Options
Appendix G. Important Files
Appendix H. Important System Directories
Appendix I. An Introduction to Programmable Completion
Appendix J. Localization
Appendix K. History Commands
Appendix L. Sample .bashrc and .bash_profile Files
Appendix M. Converting DOS Batch Files to Shell Scripts
Appendix N. Exercises
- N.1. Analyzing Scripts
- N.2. Writing Scripts
Appendix O. Revision History
Appendix P. Download and Mirror Sites
Appendix Q. To Do List
Appendix R. Copyright
Appendix S. ASCII Table
- Index
  - Notes

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