Programming Perl. Unmatched power for text processing and scripting. 4th Edition - Helion

ebook

Autor: Tom Christiansen, brian d foy, Larry Wall
ISBN: 978-14-493-2146-8
stron: 1184, Format: ebook
Data wydania: 2012-02-17
Księgarnia: Helion

Cena książki: 186,15 zł (poprzednio: 216,45 zł)
Oszczędzasz: 14% (-30,30 zł)

Osoby, które kupiły tę książkę, wybierały także »

Tagi: Perl - Programowanie | Perl/CGI - Programowanie

Adopted as the undisputed Perl bible soon after the first edition appeared in 1991, Programming Perl is still the go-to guide for this highly practical language. Perl began life as a super-fueled text processing utility, but quickly evolved into a general purpose programming language that’s helped hundreds of thousands of programmers, system administrators, and enthusiasts, like you, get your job done.

In this much-anticipated update to "the Camel," three renowned Perl authors cover the language up to its current version, Perl 5.14, with a preview of features in the upcoming 5.16. In a world where Unicode is increasingly essential for text processing, Perl offers the best and least painful support of any major language, smoothly integrating Unicode everywhere—including in Perl’s most popular feature: regular expressions.

Important features covered by this update include:

New keywords and syntax
I/O layers and encodings
New backslash escapes
Unicode 6.0
Unicode grapheme clusters and properties
Named captures in regexes
Recursive and grammatical patterns
Expanded coverage of CPAN
Current best practices

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Spis treści

Programming Perl. Unmatched power for text processing and scripting. 4th Edition eBook -- spis treści

Programming Perl
A Note Regarding Supplemental Files
Preface
- The Pursuit of Happiness
- Whats New in This Edition
- The Standard Distribution
- Online Documentation
  - Navigating the Standard Manpages
  - Non-Perl Manpages
- Offline Documentation
- Additional Resources
  - Perl on the Web
  - Bug Reports
- Conventions Used in This Book
- Using Code Examples
- Acknowledgments
- Safari Books Online
- Wed Like to Hear from You
I. Overview
- 1. An Overview of Perl
  - Getting Started
  - Natural and Artificial Languages
    - Variable Syntax
      - Singularities
      - Pluralities
        
        Arrays
        
        Hashes
      - Complexities
      - Simplicities
    - Verbs
  - An Average Example
    - How to Do It
  - Filehandles
  - Operators
    - Some Binary Arithmetic Operators
    - String Operators
    - Assignment Operators
    - Unary Arithmetic Operators
    - Logical Operators
    - Some Numeric and String Comparison Operators
    - Some File Test Operators
  - Control Structures
    - What Is Truth?
      - The if and unless statements
    - The given and when Statements
    - Looping Constructs
      - Conditional loops
      - The three-part loop
      - The foreach loop
      - Breaking out: next and last
  - Regular Expressions
    - Quantifiers
    - Minimal Matching
    - Nailing Things Down
    - Backreferences
  - List Processing
  - What You Dont Know Wont Hurt You (Much)
II. The Gory Details
- 2. Bits and Pieces
  - Atoms
  - Molecules
  - Built-in Data Types
  - Variables
  - Names
    - Name Lookups
  - Scalar Values
    - Numeric Literals
    - String Literals
    - Pick Your Own Quotes
    - Or Leave Out the Quotes Entirely
    - Interpolating Array Values
    - Here Documents
    - Version Literals
    - Other Literal Tokens
  - Context
    - Scalar and List Context
    - Boolean Context
    - Void Context
    - Interpolative Context
  - List Values and Arrays
    - List Assignment
    - Array Length
  - Hashes
  - Typeglobs and Filehandles
  - Input Operators
    - Command Input (Backtick) Operator
    - Line Input (Angle) Operator
    - Filename Globbing Operator
- 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
  - Smartmatch Operator
    - Smartmatching of Objects
  - Bitwise Operators
  - C-Style Logical (Short-Circuit) Operators
  - Range Operators
  - Conditional Operator
  - Assignment Operators
  - Comma Operators
  - List Operators (Rightward)
  - Logical and, or, not, and xor
  - C Operators Missing from Perl
- 4. Statements and Declarations
  - Simple Statements
  - Compound Statements
  - if and unless Statements
  - The given Statement
    - The when Statement and Modifier
  - Loop Statements
    - while and until Statements
    - Three-Part Loops
    - foreach Loops
    - Loop Control
    - Bare Blocks as Loops
    - Loopy Topicalizers
  - The goto Operator
  - Paleolithic Perl Case Structures
  - The Ellipsis Statement
  - Global Declarations
  - Scoped Declarations
    - Scoped Variable Declarations
    - Lexically Scoped Variables: my
    - Persistent Lexically Scoped Variables: state
    - Lexically Scoped Global Declarations: our
    - Dynamically Scoped Variables: local
  - Pragmas
    - Controlling Warnings
    - Controlling the Use of Globals
- 5. Pattern Matching
  - The Regular Expression Bestiary
  - Pattern-Matching Operators
    - Pattern Modifiers
    - The m// Operator (Matching)
    - The s/// Operator (Substitution)
      - Modifying strings en passant
      - Modifying arrays en masse
      - When a global substitution just isnt global enough
    - The tr/// Operator (Transliteration)
  - Metacharacters and Metasymbols
    - Metasymbol Tables
    - Specific Characters
    - Wildcard Metasymbols
  - Character Classes
    - Bracketed Character Classes
    - Classic Perl Character Class Shortcuts
    - Character Properties
    - POSIX-Style Character Classes
  - Quantifiers
  - Positions
    - Beginnings: The \A and ^ Assertions
    - Endings: The \z, \Z, and $ Assertions
    - Boundaries: The \b and \B Assertions
    - Progressive Matching
    - Where You Left Off: The \G Assertion
  - Grouping and Capturing
    - Capturing
      - Named capture groups
    - Grouping Without Capturing
    - Scoped Pattern Modifiers
  - Alternation
  - Staying in Control
    - Letting Perl Do the Work
    - Variable Interpolation
      - When backslashes happen
      - The qr/PATTERN/modifiers quote regex operator
    - The Regex Compiler
    - The Little Engine That /Could(nt)?/
  - Fancy Patterns
    - Lookaround Assertions
    - Possessive Groups
    - Programmatic Patterns
      - Generated patterns
      - Substitution evaluations
      - Match-time code evaluation
      - Match-time pattern interpolation
      - Conditional interpolation
    - Recursive Patterns
    - Grammatical Patterns
      - Grammars
    - Defining Your Own Assertions
    - Alternate Engines
- 6. Unicode
  - Show, Dont Tell
  - Getting at Unicode Data
    - The Encode Module
  - A Case of Mistaken Identity
  - Graphemes and Normalization
  - Comparing and Sorting Unicode Text
    - Using the uca with Perls sort
    - Locale Sorting
  - More Goodies
    - Custom Regex Boundaries
    - Building Character
  - References
- 7. Subroutines
  - Syntax
  - Semantics
    - Tricks with Parameter Lists
    - Error Indications
    - Scoping Issues
  - Passing References
  - Prototypes
    - Inlining Constant Functions
    - Care with Prototypes
    - Prototypes of Built-in Functions
  - Subroutine Attributes
    - The method Attribute
    - The lvalue Attribute
- 8. References
  - What Is a Reference?
  - Creating References
    - The Backslash Operator
    - Anonymous Data
      - The anonymous array composer
      - The anonymous hash composer
      - The anonymous subroutine composer
    - Object Constructors
    - Handle References
    - Symbol Table References
    - Implicit Creation of References
  - Using Hard References
    - Using a Variable As a Variable Name
    - Using a block As a Variable Name
    - Using the Arrow Operator
    - Using Object Methods
    - Pseudohashes
    - Other Tricks You Can Do with Hard References
    - Closures
      - Closures as function templates
      - Nested subroutines
  - Symbolic References
  - Braces, Brackets, and Quoting
    - References Dont Work As Hash Keys
    - Garbage Collection, Circular References, and Weak References
- 9. Data Structures
  - Arrays of Arrays
    - Creating and Accessing a Two-Dimensional Array
    - Growing Your Own
    - Access and Printing
    - Slices
    - Common Mistakes
  - Hashes of Arrays
    - Composition of a Hash of Arrays
    - Generation of a Hash of Arrays
    - Access and Printing of a Hash of Arrays
  - Arrays of Hashes
    - Composition of an Array of Hashes
    - Generation of an Array of Hashes
    - Access and Printing of an Array of Hashes
  - Hashes of Hashes
    - Composition of a Hash of Hashes
    - Generation of a Hash of Hashes
    - Access and Printing of a Hash of Hashes
  - Hashes of Functions
  - More Elaborate Records
    - Composition, Access, and Printing of More Elaborate Records
    - Composition, Access, and Printing of Even More Elaborate Records
    - Generation of a Hash of Complex Records
  - Saving Data Structures
- 10. Packages
  - Symbol Tables
  - Qualified Names
  - The Default Package
  - Changing the Package
  - Autoloading
- 11. Modules
  - Loading Modules
  - Unloading Modules
  - Creating Modules
    - Naming Modules
    - A Sample Module
    - Module Privacy and the Exporter
      - Exporting without using Exporters import method
      - Version checking
      - Managing unknown symbols
      - Tag-handling utility functions
  - Overriding Built-in Functions
- 12. Objects
  - Brief Refresher on Object-Oriented Lingo
  - Perls Object System
  - Method Invocation
    - Method Invocation Using the Arrow Operator
    - Method Invocation Using Indirect Objects
    - Syntactic Snafus with Indirect Objects
    - Package-Quoted Classes
  - Object Construction
    - Inheritable Constructors
    - Initializers
  - Class Inheritance
    - Inheritance Through @ISA
    - Alternate Method Searching
    - Accessing Overridden Methods
    - UNIVERSAL: The Ultimate Ancestor Class
    - Method Autoloading
    - Private Methods
  - Instance Destructors
    - Garbage Collection with destroy Methods
  - Managing Instance Data
    - Generating Accessors with Autoloading
    - Generating Accessors with Closures
    - Using Closures for Private Objects
    - New Tricks
  - Managing Class Data
  - The Moose in the Room
  - Summary
- 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
  - Runtime Overloading
  - Overloading Diagnostics
- 14. Tied Variables
  - Tying Scalars
    - Scalar-Tying Methods
    - Magical Counter Variables
    - Cycling Through Values
    - Magically Banishing $_
  - Tying Arrays
    - Array-Tying Methods
    - Notational Convenience
  - Tying Hashes
    - Hash-Tying Methods
  - Tying Filehandles
    - Filehandle-Tying Methods
    - Creative Filehandles
  - A Subtle Untying Trap
  - Tie Modules on CPAN
III. Perl as Technology
- 15. Interprocess Communication
  - Signals
    - Signalling Process Groups
    - Reaping Zombies
    - Timing Out Slow Operations
    - Blocking Signals
    - Signal Safety
  - Files
    - File Locking
    - Passing Filehandles
  - Pipes
    - Anonymous Pipes
    - Talking to Yourself
    - Bidirectional Communication
    - Named Pipes
  - System V IPC
  - Sockets
    - Networking Clients
    - Networking Servers
    - Message Passing
- 16. Compiling
  - The Life Cycle of a Perl Program
  - Compiling Your Code
  - Executing Your Code
  - Compiler Backends
  - Code Generators
    - The Bytecode Generator
    - The C Code Generators
  - Code Development Tools
  - Avant-Garde Compiler, Retro Interpreter
- 17. The Command-Line Interface
  - Command Processing
    - #! and Quoting on Non-Unix Systems
    - Location of Perl
    - Switches
  - Environment Variables
- 18. The Perl Debugger
  - Using the Debugger
  - Debugger Commands
    - Stepping and Running
    - Breakpoints
    - Tracing
    - Display
    - Locating Code
    - Actions and Command Execution
    - Miscellaneous Commands
  - Debugger Customization
    - Editor Support for Debugging
    - Customizing with Init Files
    - Debugger Options
  - Unattended Execution
  - Debugger Support
    - Writing Your Own Debugger
  - Profiling Perl
    - Devel::DProf
    - Devel::NYTProf
- 19. CPAN
  - History
  - A Tour of the Repository
    - Creating a MiniCPAN
  - The CPAN Ecosystem
    - PAUSE
    - Searching CPAN
    - Testing
    - Bug Tracking
      - rt.cpan.org
      - Other bug tracking
      - perlbug
      - rt.perl.org
  - Installing CPAN Modules
    - By Hand
    - CPAN Clients
      - cpan
      - cpanp
      - cpanminus
  - Creating CPAN Distributions
    - Starting Your Distribution
      - h2xs
      - Distribution::Cooker
      - Module::Starter
      - Dist::Zilla
    - Testing Your Modules
      - Internal testing
      - External testing
IV. Perl as Culture
- 20. Security
  - Handling Insecure Data
    - Detecting and Laundering Tainted Data
    - Cleaning Up Your Environment
    - Accessing Commands and Files Under Reduced Privileges
    - Defeating Taint Checking
  - Handling Timing Glitches
    - Unix Kernel Security Bugs
    - Handling Race Conditions
    - Temporary Files
  - Handling Insecure Code
    - Changing Root
    - Safe Compartments
      - Restricting namespace access
      - Restricting operator access
      - Safe examples
    - Code Masquerading As Data
- 21. Common Practices
  - Common Goofs for Novices
    - Universal Blunders
    - Frequently Ignored Advice
    - C Traps
    - Shell Traps
    - Python Traps
    - Ruby Traps
    - Java Traps
  - Efficiency
    - Time Efficiency
    - Space Efficiency
    - Programmer Efficiency
    - Maintainer Efficiency
    - Porter Efficiency
    - User Efficiency
  - Programming with Style
  - Fluent Perl
  - Program Generation
    - Generating Other Languages in Perl
    - Generating Perl in Other Languages
    - Source Filters
- 22. 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
- 23. Plain Old Documentation
  - Pod in a Nutshell
    - Verbatim Paragraphs
    - Command Paragraphs
    - Flowed Text
  - Pod Translators and Modules
  - Writing Your Own Pod Tools
  - Pod Pitfalls
  - Documenting Your Perl Programs
- 24. Perl Culture
  - History Made Practical
  - Perl Poetry
  - Virtues of the Perl Programmer
  - Events
  - Getting Help
V. Reference Material
- 25. Special Names
  - Special Names Grouped by Type
    - Regular Expression Special Variables
    - Per-Filehandle Variables
    - Per-Package Special Variables
    - Program-Wide Special Variables
    - Per-Package Special Filehandles
    - Per-Package Special Functions
  - Special Variables in Alphabetical Order
- 26. Formats
  - String Formats
  - Binary Formats
    - pack
      - Repetition
      - Other modifiers
      - More examples
    - unpack
  - Picture Formats
    - Format Variables
    - Footers
    - Accessing Formatting Internals
- 27. Functions
  - Perl Functions by Category
  - Perl Functions in Alphabetical Order
    - abs
    - accept
    - alarm
    - atan2
    - bind
    - binmode
    - bless
    - break
    - caller
    - chdir
    - chmod
    - chomp
    - chop
    - chown
    - chr
    - chroot
    - close
    - closedir
    - connect
    - continue
    - cos
    - crypt
    - dbmclose
    - dbmopen
    - defined
    - delete
    - die
    - do (block)
    - do (file)
    - do (subroutine)
    - dump
    - each
    - eof
    - eval
    - exec
    - exists
    - exit
    - exp
    - __FILE__
    - fc
    - fcntl
    - fileno
    - flock
    - fork
    - format
    - formline
    - getc
    - getgrent
    - getgrgid
    - getgrnam
    - gethostbyaddr
    - gethostbyname
    - gethostent
    - getlogin
    - getnetbyaddr
    - getnetbyname
    - getnetent
    - getpeername
    - getpgrp
    - getppid
    - getpriority
    - getprotobyname
    - getprotobynumber
    - getprotoent
    - getpwent
    - getpwnam
    - getpwuid
    - getservbyname
    - getservbyport
    - getservent
    - getsockname
    - getsockopt
    - glob
    - gmtime
    - goto
    - grep
    - hex
    - import
    - index
    - int
    - ioctl
    - join
    - keys
    - kill
    - last
    - lc
    - lcfirst
    - length
    - __LINE__
    - link
    - listen
    - local
    - localtime
    - lock
    - log
    - lstat
    - m//
    - map
    - mkdir
    - msgctl
    - msgget
    - msgrcv
    - msgsnd
    - my
    - new
    - next
    - no
    - oct
    - open
    - opendir
    - ord
    - our
    - pack
    - package
    - __PACKAGE__
    - pipe
    - pop
    - pos
    - print
    - printf
    - prototype
    - push
    - q/STRING/
    - quotemeta
    - rand
    - read
    - readdir
    - readline
    - readlink
    - readpipe
    - recv
    - redo
    - ref
    - rename
    - require
    - reset
    - return
    - reverse
    - rewinddir
    - rindex
    - rmdir
    - s///
    - say
    - scalar
    - seek
    - seekdir
    - select (output filehandle)
    - select (ready file descriptors)
    - semctl
    - semget
    - semop
    - send
    - setpgrp
    - setpriority
    - setsockopt
    - shift
    - shmctl
    - shmget
    - shmread
    - shmwrite
    - shutdown
    - sin
    - sleep
    - socket
    - socketpair
    - sort
    - splice
    - split
    - sprintf
    - sqrt
    - srand
    - stat
    - state
    - study
    - sub
    - substr
    - symlink
    - syscall
    - sysopen
    - sysread
    - sysseek
    - system
    - syswrite
    - tell
    - telldir
    - tie
    - tied
    - time
    - times
    - tr///
    - truncate
    - uc
    - ucfirst
    - umask
    - undef
    - unlink
    - unpack
    - unshift
    - untie
    - use
    - utime
    - values
    - vec
    - wait
    - waitpid
    - wantarray
    - warn
    - write
    - y//
- 28. The Standard Perl Library
  - Library Science
  - A Tour of the Perl Library
    - Roll Call
    - The Future of the Standard Perl Library
    - Wandering the Stacks
- 29. Pragmatic Modules
  - attributes
  - autodie
  - autouse
  - base
  - bigint
  - bignum
  - bigrat
  - blib
  - bytes
  - charnames
    - Custom Character Names
    - Runtime Lookups
  - constant
    - Restrictions on constant
  - deprecate
  - diagnostics
  - encoding
  - feature
  - fields
  - filetest
  - if
  - inc::latest
  - integer
  - less
  - lib
  - locale
  - mro
  - open
  - ops
  - overload
  - overloading
  - parent
  - re
  - sigtrap
    - Signal Handlers
    - Predefined Signal Lists
    - Other Arguments to sigtrap
    - Examples of sigtrap
  - sort
  - strict
    - strict refs
    - strict vars
    - strict subs
  - subs
  - threads
  - utf8
  - vars
  - version
  - vmsish
    - exit
    - hushed
    - status
    - time
  - warnings
  - User-Defined Pragmas
Glossary
Index of Perl Modules in This Book
Index
About the Authors
Colophon
Copyright