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Preface  PART 1: Overview  Chapter 1. An Overview of Perl  Getting Started  Natural and Artificial Languages  An Average Example  Filehandles  Operators  Control Structures  Regular Expressions  List Processing  What You Don't Know Won't Hurt You (Much)  PART 2: The Gory Details  Chapter 2. Bits and Pieces  Atoms  Molecules  Built-in Data Types  Variables  Names  Scalar Values  Context  List Values and Arrays  Hashes  Typeglobs and Filehandles  Input Operators Chapter 3. Unary and Binary Operators  Terms and List Operators (Leftward)  The Arrow Operator  Autoincrement and Autodecrement  Exponentiation  Ideographic Unary Operators  Binding Operators  Multiplicative Operators  Additive Operators  Shift Operators  Named Unary and File Test Operators  Relational Operators  Equality Operators  Bitwise Operators  C-Style Logical (Short-Circuit) Operators  Range Operator  Conditional Operator  Assignment Operators  Comma Operators  List Operators (Rightward)  Logical and, or, not, and xor  C Operators Missing from Perl Chapter 4. Statements and Declarations  Simple Statements  Compound Statements  if and unless Statements  Loop Statements  Bare Blocks  goto  Global Declarations  Scoped Declarations  Pragmas Chapter 5. Pattern Matching  The Regular Expression Bestiary  Pattern-Matching Operators  Metacharacters and Metasymbols  Character Classes  Quantifiers  Positions  Capturing and Clustering  Alternation  Staying in Control  Fancy Patterns Chapter 6. Subroutines  Syntax  Semantics  Passing References  Prototypes  Subroutine Attributes Chapter 7. Formats  Format Variables  Footers Chapter 8. References  What Is a Reference?  Creating References  Using Hard References  Symbolic References  Braces, Brackets, and Quoting Chapter 9. Data Structures  Arrays of Arrays  Hashes of Arrays  Arrays of Hashes  Hashes of Hashes  Hashes of Functions  More Elaborate Records  Saving Data Structures Chapter 10. Packages  Symbol Tables  Autoloading Chapter 11. Modules  Using Modules  Creating Modules  Overriding Built-in Functions Chapter 12. Objects  Brief Refresher on Object-Oriented Lingo  Perl's Object System  Method Invocation  Object Construction  Class Inheritance  Instance Destructors  Managing Instance Data  Managing Class Data  Summary Chapter 13. Overloading  The overload Pragma  Overload Handlers  Overloadable Operators  The Copy Constructor (=)  When an Overload Handler Is Missing (nomethod and fallback)  Overloading Constants  Public Overload Functions  Inheritance and Overloading  Run-Time Overloading  Overloading Diagnostics Chapter 14. Tied Variables  Tying Scalars  Tying Arrays  Tying Hashes  Tying Filehandles  A Subtle Untying Trap  Tie Modules on CPAN  PART 3: Perl as Technology  Chapter 15. Unicode  Building Character  Effects of Character Semantics  Caution, \[ren2bold] Working Chapter 16. Interprocess Communication  Signals  Files  Pipes  System V IPC  Sockets Chapter 17. Threads  The Process Model  The Thread Model Chapter 18. Compiling  The Life Cycle of a Perl Program  Compiling Your Code  Executing Your Code  Compiler Backends  Code Generators  Code Development Tools  Avant-Garde Compiler, Retro Interpreter Chapter 19. The Command-Line Interface  Command Processing  Environment Variables Chapter 20. The Perl Debugger  Using the Debugger  Debugger Commands  Debugger Customization  Unattended Execution  Debugger Support  The Perl Profiler Chapter 21. Internals and Externals  How Perl Works  Internal Data Types  Extending Perl (Using C from Perl)  Embedding Perl (Using Perl from C)  The Moral of the Story  PART 4: Perl as Culture  Chapter 22. CPAN  The CPAN modules Directory  Using CPAN Modules  Creating CPAN Modules Chapter 23. Security  Handling Insecure Data  Handling Timing Glitches  Handling Insecure Code Chapter 24. Common Practices  Common Goofs for Novices  Efficiency  Programming with Style  Fluent Perl  Program Generation Chapter 25. Portable Perl  Newlines  Endianness and Number Width  Files and Filesystems  System Interaction  Interprocess Communication (IPC)  External Subroutines (XS)  Standard Modules  Dates and Times  Internationalization  Style Chapter 26. Plain Old Documentation  Pod in a Nutshell  Pod Translators and Modules  Writing Your Own Pod Tools  Pod Pitfalls  Documenting Your Perl Programs Chapter 27. Perl Culture  History Made Practical  Perl Poetry  PART 5: Reference Material  Chapter 28. Special Names  Special Names Grouped by Type  Special Variables in Alphabetical Order Chapter 29. Functions  Perl Functions by Category  Perl Functions in Alphabetical Order Chapter 30. The Standard Perl Library  Library Science  A Tour of the Perl Library Chapter 31. Pragmatic Modules  use attributes  use autouse  use base  use blib  use bytes  use charnames  use constant  use diagnostics  use fields  use filetest  use integer  use less  use lib  use locale  use open  use overload  use re  use sigtrap  use strict  use subs  use vars  use warnings Chapter 32. Standard Modules  Listings by Type  Benchmark  Carp  CGI  CGI::Carp  Class::Struct  Config  CPAN  Cwd  Data::Dumper  DB_File  Dumpvalue  English  Errno  Exporter  Fatal  Fcntl  File::Basename  File::Compare  File::Copy  File::Find  File::Glob  File::Spec  File::stat  File::Temp  FileHandle  Getopt::Long  Getopt::Std  IO::Socket  IPC::Open2  IPC::Open3  Math::BigInt  Math::Complex  Math::Trig  Net::hostent  POSIX  Safe  Socket  Symbol  Sys::Hostname  Sys::Syslog  Term::Cap  Text::Wrap  Time::Local  Time::localtime  User::grent  User::pwent Chapter 33. Diagnostic Messages Glossary Index

1 online resource (xxxiii, 1067 pages) : illustrations

Perl is a powerful programming language that has grown in popularity since it first appeared in 1988. The first edition of this book, Programming Perl, hit the shelves in 1990, and was quickly adopted as the undisputed bible of the language. Since then, Perl has grown with the times, and so has this book. Programming Perl is not just a book about Perl. It is also a unique introduction to the language and its culture, as one might expect only from its authors. Larry Wall is the inventor of Perl, and provides a unique perspective on the evolution of Perl and its

Programming Perl