Perl Best Practices
- Perl Best Practices
- Table of Contents
- Copyright
- Dedication
- Preface
- Contents of This Book
- Conventions Used in This Book
- Code Examples
- Feedback
- Acknowledgments
- Chapter 1. Best Practices
- Section 1.1. Three Goals
- Section 1.2. This Book
- Section 1.3. Rehabiting
- Chapter 2. Code Layout
- Section 2.1. Bracketing
- Section 2.2. Keywords
- Section 2.3. Subroutines and Variables
- Section 2.4. Builtins
- Section 2.5. Keys and Indices
- Section 2.6. Operators
- Section 2.7. Semicolons
- Section 2.8. Commas
- Section 2.9. Line Lengths
- Section 2.10. Indentation
- Section 2.11. Tabs
- Section 2.12. Blocks
- Section 2.13. Chunking
- Section 2.14. Elses
- Section 2.15. Vertical Alignment
- Section 2.16. Breaking Long Lines
- Section 2.17. Non-Terminal Expressions
- Section 2.18. Breaking by Precedence
- Section 2.19. Assignments
- Section 2.20. Ternaries
- Section 2.21. Lists
- Section 2.22. Automated Layout
- Chapter 3. Naming Conventions
- Section 3.1. Identifiers
- Section 3.2. Booleans
- Section 3.3. Reference Variables
- Section 3.4. Arrays and Hashes
- Section 3.5. Underscores
- Section 3.6. Capitalization
- Section 3.7. Abbreviations
- Section 3.8. Ambiguous Abbreviations
- Section 3.9. Ambiguous Names
- Section 3.10. Utility Subroutines
- Chapter 4. Values and Expressions
- Section 4.1. String Delimiters
- Section 4.2. Empty Strings
- Section 4.3. Single-Character Strings
- Section 4.4. Escaped Characters
- Section 4.5. Constants
- Section 4.6. Leading Zeros
- Section 4.7. Long Numbers
- Section 4.8. Multiline Strings
- Section 4.9. Here Documents
- Section 4.10. Heredoc Indentation
- Section 4.11. Heredoc Terminators
- Section 4.12. Heredoc Quoters
- Section 4.13. Barewords
- Section 4.14. Fat Commas
- Section 4.15. Thin Commas
- Section 4.16. Low-Precedence Operators
- Section 4.17. Lists
- Section 4.18. List Membership
- Chapter 5. Variables
- Section 5.1. Lexical Variables
- Section 5.2. Package Variables
- Section 5.3. Localization
- Section 5.4. Initialization
- Section 5.5. Punctuation Variables
- Section 5.6. Localizing Punctuation Variables
- Section 5.7. Match Variables
- Section 5.8. Dollar-Underscore
- Section 5.9. Array Indices
- Section 5.10. Slicing
- Section 5.11. Slice Layout
- Section 5.12. Slice Factoring
- Chapter 6. Control Structures
- Section 6.1. If Blocks
- Section 6.2. Postfix Selectors
- Section 6.3. Other Postfix Modifiers
- Section 6.4. Negative Control Statements
- Section 6.5. C-Style Loops
- Section 6.6. Unnecessary Subscripting
- Section 6.7. Necessary Subscripting
- Section 6.8. Iterator Variables
- Section 6.9. Non-Lexical Loop Iterators
- Section 6.10. List Generation
- Section 6.11. List Selections
- Section 6.12. List Transformation
- Section 6.13. Complex Mappings
- Section 6.14. List Processing Side Effects
- Section 6.15. Multipart Selections
- Section 6.16. Value Switches
- Section 6.17. Tabular Ternaries
- Section 6.18. do-while Loops
- Section 6.19. Linear Coding
- Section 6.20. Distributed Control
- Section 6.21. Redoing
- Section 6.22. Loop Labels
- Chapter 7. Documentation
- Section 7.1. Types of Documentation
- Section 7.2. Boilerplates
- Section 7.3. Extended Boilerplates
- Section 7.4. Location
- Section 7.5. Contiguity
- Section 7.6. Position
- Section 7.7. Technical Documentation
- Section 7.8. Comments
- Section 7.9. Algorithmic Documentation
- Section 7.10. Elucidating Documentation
- Section 7.11. Defensive Documentation
- Section 7.12. Indicative Documentation
- Section 7.13. Discursive Documentation
- Section 7.14. Proofreading
- Chapter 8. Built-in Functions
- Section 8.1. Sorting
- Section 8.2. Reversing Lists
- Section 8.3. Reversing Scalars
- Section 8.4. Fixed-Width Data
- Section 8.5. Separated Data
- Section 8.6. Variable-Width Data
- Section 8.7. String Evaluations
- Section 8.8. Automating Sorts
- Section 8.9. Substrings
- Section 8.10. Hash Values
- Section 8.11. Globbing
- Section 8.12. Sleeping
- Section 8.13. Mapping and Grepping
- Section 8.14. Utilities
- Chapter 9. Subroutines
- Section 9.1. Call Syntax
- Section 9.2. Homonyms
- Section 9.3. Argument Lists
- Section 9.4. Named Arguments
- Section 9.5. Missing Arguments
- Section 9.6. Default Argument Values
- Section 9.7. Scalar Return Values
- Section 9.8. Contextual Return Values
- Section 9.9. Multi-Contextual Return Values
- Section 9.10. Prototypes
- Section 9.11. Implicit Returns
- Section 9.12. Returning Failure
- Chapter 10. IO
- Section 10.1. Filehandles
- Section 10.2. Indirect Filehandles
- Section 10.3. Localizing Filehandles
- Section 10.4. Opening Cleanly
- Section 10.5. Error Checking
- Section 10.6. Cleanup
- Section 10.7. Input Loops
- Section 10.8. Line-Based Input
- Section 10.9. Simple Slurping
- Section 10.10. Power Slurping
- Section 10.11. Standard Input
- Section 10.12. Printing to Filehandles
- Section 10.13. Simple Prompting
- Section 10.14. Interactivity
- Section 10.15. Power Prompting
- Section 10.16. Progress Indicators
- Section 10.17. Automatic Progress Indicators
- Section 10.18. Autoflushing
- Chapter 11. References
- Section 11.1. Dereferencing
- Section 11.2. Braced References
- Section 11.3. Symbolic References
- Section 11.4. Cyclic References
- Chapter 12. Regular Expressions
- Section 12.1. Extended Formatting
- Section 12.2. Line Boundaries
- Section 12.3. String Boundaries
- Section 12.4. End of String
- Section 12.5. Matching Anything
- Section 12.6. Lazy Flags
- Section 12.7. Brace Delimiters
- Section 12.8. Other Delimiters
- Section 12.9. Metacharacters
- Section 12.10. Named Characters
- Section 12.11. Properties
- Section 12.12. Whitespace
- Section 12.13. Unconstrained Repetitions
- Section 12.14. Capturing Parentheses
- Section 12.15. Captured Values
- Section 12.16. Capture Variables
- Section 12.17. Piecewise Matching
- Section 12.18. Tabular Regexes
- Section 12.19. Constructing Regexes
- Section 12.20. Canned Regexes
- Section 12.21. Alternations
- Section 12.22. Factoring Alternations
- Section 12.23. Backtracking
- Section 12.24. String Comparisons
- Chapter 13. Error Handling
- Section 13.1. Exceptions
- Section 13.2. Builtin Failures
- Section 13.3. Contextual Failure
- Section 13.4. Systemic Failure
- Section 13.5. Recoverable Failure
- Section 13.6. Reporting Failure
- Section 13.7. Error Messages
- Section 13.8. Documenting Errors
- Section 13.9. OO Exceptions
- Section 13.10. Volatile Error Messages
- Section 13.11. Exception Hierarchies
- Section 13.12. Processing Exceptions
- Section 13.13. Exception Classes
- Section 13.14. Unpacking Exceptions
- Chapter 14. Command-Line Processing
- Section 14.1. Command-Line Structure
- Section 14.2. Command-Line Conventions
- Section 14.3. Meta-options
- Section 14.4. In-situ Arguments
- Section 14.5. Command-Line Processing
- Section 14.6. Interface Consistency
- Section 14.7. Interapplication Consistency
- Chapter 15. Objects
- Section 15.1. Using OO
- Section 15.2. Criteria
- Section 15.3. Pseudohashes
- Section 15.4. Restricted Hashes
- Section 15.5. Encapsulation
- Section 15.6. Constructors
- Section 15.7. Cloning
- Section 15.8. Destructors
- Section 15.9. Methods
- Section 15.10. Accessors
- Section 15.11. Lvalue Accessors
- Section 15.12. Indirect Objects
- Section 15.13. Class Interfaces
- Section 15.14. Operator Overloading
- Section 15.15. Coercions
- Chapter 16. Class Hierarchies
- Section 16.1. Inheritance
- Section 16.2. Objects
- Section 16.3. Blessing Objects
- Section 16.4. Constructor Arguments
- Section 16.5. Base Class Initialization
- Section 16.6. Construction and Destruction
- Section 16.7. Automating Class Hierarchies
- Section 16.8. Attribute Demolition
- Section 16.9. Attribute Building
- Section 16.10. Coercions
- Section 16.11. Cumulative Methods
- Section 16.12. Autoloading
- Chapter 17. Modules
- Section 17.1. Interfaces
- Section 17.2. Refactoring
- Section 17.3. Version Numbers
- Section 17.4. Version Requirements
- Section 17.5. Exporting
- Section 17.6. Declarative Exporting
- Section 17.7. Interface Variables
- Section 17.8. Creating Modules
- Section 17.9. The Standard Library
- Section 17.10. CPAN
- Chapter 18. Testing and Debugging
- Section 18.1. Test Cases
- Section 18.2. Modular Testing
- Section 18.3. Test Suites
- Section 18.4. Failure
- Section 18.5. What to Test
- Section 18.6. Debugging and Testing
- Section 18.7. Strictures
- Section 18.8. Warnings
- Section 18.9. Correctness
- Section 18.10. Overriding Strictures
- Section 18.11. The Debugger
- Section 18.12. Manual Debugging
- Section 18.13. Semi-Automatic Debugging
- Chapter 19. Miscellanea
- Section 19.1. Revision Control
- Section 19.2. Other Languages
- Section 19.3. Configuration Files
- Section 19.4. Formats
- Section 19.5. Ties
- Section 19.6. Cleverness
- Section 19.7. Encapsulated Cleverness
- Section 19.8. Benchmarking
- Section 19.9. Memory
- Section 19.10. Caching
- Section 19.11. Memoization
- Section 19.12. Caching for Optimization
- Section 19.13. Profiling
- Section 19.14. Enbugging
- Appendix A. Essential Perl Best Practices
- Appendix B. Perl Best Practices
- Section B.1. Chapter 2, Code Layout
- Section B.2. Chapter 3, Naming Conventions
- Section B.3. Chapter 4, Values and Expressions
- Section B.4. Chapter 5, Variables
- Section B.5. Chapter 6, Control Structures
- Section B.6. Chapter 7, Documentation
- Section B.7. Chapter 8, Built-in Functions
- Section B.8. Chapter 9, Subroutines
- Section B.9. Chapter 10, IO
- Section B.10. Chapter 11, References
- Section B.11. Chapter 12, Regular Expressions
- Section B.12. Chapter 13, Error Handling
- Section B.13. Chapter 14, Command-Line Processing
- Section B.14. Chapter 15, Objects
- Section B.15. Chapter 16, Class Hierarchies
- Section B.16. Chapter 17, Modules
- Section B.17. Chapter 18, Testing and Debugging
- Section B.18. Chapter 19, Miscellanea
- Appendix C. Editor Configurations
- Section C.1. vim
- Section C.2. vile
- Section C.3. Emacs
- Section C.4. BBEdit
- Section C.5. TextWrangler
- Appendix D. Recommended Modules and Utilities
- Section D.1. Recommended Core Modules
- Section D.2. Recommended CPAN Modules
- Section D.3. Utility Subroutines
- Appendix Bibliography. Bibliography
- Colophon
- About the Author
- Colophon
- Index
- SYMBOL
- A
- B
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- D
- E
- F
- G
- H
- I
- J
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- L
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