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Learning Perl. 5th Edition - Helion

Learning Perl. 5th Edition
ebook
Autor: Randal L. Schwartz, Tom Phoenix, brian d foy
ISBN: 9780596551858
stron: 352, Format: ebook
Data wydania: 2008-06-27
Księgarnia: Helion

Cena książki: 109,65 zł (poprzednio: 127,50 zł)
Oszczędzasz: 14% (-17,85 zł)

Dodaj do koszyka Learning Perl. 5th Edition

Tagi: Perl - Programowanie | Perl/CGI - Programowanie

Learning Perl, popularly known as "the Llama," is the book most programmers rely on to get started with Perl. The bestselling Perl tutorial since it was first published in 1993, this new fifth edition covers recent changes to the language up to Perl 5.10.

This book reflects the combined experience of its authors, who have taught Perl at Stonehenge Consulting since 1991. Years of classroom testing and experience helped shape the book's pace and scope, and this edition is packed with exercises that let you practice the concepts while you follow the text. Topics include:

  • Perl data & variable types
  • Subroutines
  • File operations
  • Regular expressions
  • String manipulation
  • Lists & sorting
  • Process management
  • Smart matching
  • Using third party modules

Perl is the language for people who want to get work done. Originally targeted to sysadmins for heavy-duty text processing, Perl is now a full-featured programming language suitable for almost any task on almost any platform-from short fixes on the command line to web applications, bioinformatics, finance, and much more. Other books may teach you to program in Perl, but this book will turn you into a Perl programmer.

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Osoby które kupowały "Learning Perl. 5th Edition", wybierały także:

  • Perl Hacks. Tips & Tools for Programming, Debugging, and Surviving
  • Perl Testing: A Developer's Notebook. A Developer's Not
  • Learning Perl. Making Easy Things Easy and Hard Things Possible. 7th Edition
  • Mastering Perl. 2nd Edition
  • Intermediate Perl. 2nd Edition

Dodaj do koszyka Learning Perl. 5th Edition

Spis treści

Learning Perl. 5th Edition eBook -- spis treści

  • Learning Perl
    • A Note Regarding Supplemental Files
    • Preface
      • Typographical Conventions
      • How to Contact Us
      • Using Code Examples
      • Safari Enabled
      • History of This Book
      • Acknowledgments
    • 1. Introduction
      • Questions and Answers
        • Is This the Right Book for You?
        • Why Are There So Many Footnotes?
        • What About the Exercises and Their Answers?
        • What Do Those Numbers at the Start of the Exercise Mean?
        • What If Im a Perl Course Instructor?
      • What Does Perl Stand For?
        • Why Did Larry Create Perl?
        • Why Didnt Larry Just Use Some Other Language?
        • Is Perl Easy or Hard?
        • How Did Perl Get to Be So Popular?
        • Whats Happening with Perl Now?
        • Whats Perl Really Good For?
        • What Is Perl Not Good For?
      • How Can I Get Perl?
        • What Is CPAN?
        • How Can I Get Support for Perl?
        • Are There Any Other Kinds of Support?
        • What If I Find a Bug in Perl?
      • How Do I Make a Perl Program?
        • A Simple Program
        • Whats Inside That Program?
        • How Do I Compile Perl?
      • A Whirlwind Tour of Perl
      • Exercises
    • 2. Scalar Data
      • Numbers
        • All Numbers Have the Same Format Internally
        • Floating-Point Literals
        • Integer Literals
        • Nondecimal Integer Literals
        • Numeric Operators
      • Strings
        • Single-Quoted String Literals
        • Double-Quoted String Literals
        • String Operators
        • Automatic Conversion Between Numbers and Strings
      • Perls Built-in Warnings
      • Scalar Variables
        • Choosing Good Variable Names
        • Scalar Assignment
        • Binary Assignment Operators
      • Output with print
        • Interpolation of Scalar Variables into Strings
        • Operator Precedence and Associativity
        • Comparison Operators
      • The if Control Structure
        • Boolean Values
      • Getting User Input
      • The chomp Operator
      • The while Control Structure
      • The undef Value
      • The defined Function
      • Exercises
    • 3. Lists and Arrays
      • Accessing Elements of an Array
      • Special Array Indices
      • List Literals
        • The qw Shortcut
      • List Assignment
        • The pop and push Operators
        • The shift and unshift Operators
      • Interpolating Arrays into Strings
      • The foreach Control Structure
        • Perls Favorite Default: $_
        • The reverse Operator
        • The sort Operator
      • Scalar and List Context
        • Using List-Producing Expressions in Scalar Context
        • Using Scalar-Producing Expressions in List Context
        • Forcing Scalar Context
      • <STDIN> in List Context
      • Exercises
    • 4. Subroutines
      • Defining a Subroutine
      • Invoking a Subroutine
      • Return Values
      • Arguments
      • Private Variables in Subroutines
      • Variable-Length Parameter Lists
        • A Better &max Routine
        • Empty Parameter Lists
      • Notes on Lexical (my) Variables
      • The use strict Pragma
      • The return Operator
        • Omitting the Ampersand
      • Nonscalar Return Values
      • Persistent, Private Variables
      • Exercises
    • 5. Input and Output
      • Input from Standard Input
      • Input from the Diamond Operator
      • The Invocation Arguments
      • Output to Standard Output
      • Formatted Output with printf
        • Arrays and printf
      • Filehandles
      • Opening a Filehandle
        • Bad Filehandles
        • Closing a Filehandle
      • Fatal Errors with die
        • Warning Messages with warn
      • Using Filehandles
        • Changing the Default Output Filehandle
      • Reopening a Standard Filehandle
      • Output with say
      • Exercises
    • 6. Hashes
      • What Is a Hash?
        • Why Use a Hash?
      • Hash Element Access
        • The Hash As a Whole
        • Hash Assignment
        • The Big Arrow
      • Hash Functions
        • The keys and values Functions
        • The each Function
      • Typical Use of a Hash
        • The exists Function
        • The delete Function
        • Hash Element Interpolation
      • The %ENV hash
      • Exercises
    • 7. In the World of Regular Expressions
      • What Are Regular Expressions?
      • Using Simple Patterns
        • About Metacharacters
        • Simple Quantifiers
        • Grouping in Patterns
        • Alternatives
      • Character Classes
        • Character Class Shortcuts
        • Negating the Shortcuts
      • Exercises
    • 8. Matching with Regular Expressions
      • Matches with m//
      • Option Modifiers
        • Case-Insensitive Matching with /i
        • Matching Any Character with /s
        • Adding Whitespace with /x
        • Combining Option Modifiers
        • Other Options
      • Anchors
        • Word Anchors
      • The Binding Operator, =~
      • Interpolating into Patterns
      • The Match Variables
        • The Persistence of Memory
        • Noncapturing Parentheses
        • Named Captures
        • The Automatic Match Variables
      • General Quantifiers
      • Precedence
        • Examples of Precedence
        • And Theres More
      • A Pattern Test Program
      • Exercises
    • 9. Processing Text with Regular Expressions
      • Substitutions with s///
        • Global Replacements with /g
        • Different Delimiters
        • Option Modifiers
        • The Binding Operator
        • Case Shifting
      • The split Operator
      • The join Function
      • m// in List Context
      • More Powerful Regular Expressions
        • Nongreedy Quantifiers
        • Matching Multiple-Line Text
        • Updating Many Files
        • In-Place Editing from the Command Line
      • Exercises
    • 10. More Control Structures
      • The unless Control Structure
        • The else Clause with unless
      • The until Control Structure
      • Expression Modifiers
      • The Naked Block Control Structure
      • The elsif Clause
      • Autoincrement and Autodecrement
        • The Value of Autoincrement
      • The for Control Structure
        • The Secret Connection Between foreach and for
      • Loop Controls
        • The last Operator
        • The next Operator
        • The redo Operator
        • Labeled Blocks
      • The Ternary Operator, ?:
      • Logical Operators
        • The Value of a Short-Circuit Operator
        • The defined-or Operator
        • Control Structures Using Partial-Evaluation Operators
      • Exercises
    • 11. Perl Modules
      • Finding Modules
      • Installing Modules
      • Using Simple Modules
        • The File::Basename Module
        • Using Only Some Functions from a Module
        • The File::Spec Module
        • CGI.pm
        • Databases and DBI
      • Exercise
    • 12. File Tests
      • File Test Operators
        • Testing Several Attributes of the Same File
        • Stacked File Test Operators
      • The stat and lstat Functions
      • The localtime Function
      • Bitwise Operators
        • Using Bitstrings
      • Exercises
    • 13. Directory Operations
      • Moving Around the Directory Tree
      • Globbing
      • An Alternate Syntax for Globbing
      • Directory Handles
      • Recursive Directory Listing
      • Manipulating Files and Directories
      • Removing Files
      • Renaming Files
      • Links and Files
      • Making and Removing Directories
      • Modifying Permissions
      • Changing Ownership
      • Changing Timestamps
      • Exercises
    • 14. Strings and Sorting
      • Finding a Substring with index
      • Manipulating a Substring with substr
      • Formatting Data with sprintf
        • Using sprintf with Money Numbers
      • Advanced Sorting
        • Sorting a Hash by Value
        • Sorting by Multiple Keys
      • Exercises
    • 15. Smart Matching and given-when
      • The Smart Match Operator
      • Smart Match Precedence
      • The given Statement
        • Dumb Matching
      • when with Many Items
      • Exercises
    • 16. Process Management
      • The system Function
        • Avoiding the Shell
      • The exec Function
      • The Environment Variables
      • Using Backquotes to Capture Output
        • Using Backquotes in a List Context
      • Processes as Filehandles
      • Getting Down and Dirty with Fork
      • Sending and Receiving Signals
      • Exercises
    • 17. Some Advanced Perl Techniques
      • Trapping Errors with eval
      • Picking Items from a List with grep
      • Transforming Items from a List with map
      • Unquoted Hash Keys
      • Slices
        • Array Slice
        • Hash Slice
      • Exercise
    • A. Exercise Answers
      • Answers to Chapter 2 Exercises
      • Answers to Chapter 3 Exercises
      • Answers to Chapter 4 Exercises
      • Answers to Chapter 5 Exercises
      • Answers to Chapter 6 Exercises
      • Answers to Chapter 7 Exercises
      • Answers to Chapter 8 Exercises
      • Answers to Chapter 9 Exercises
      • Answers to Chapter 10 Exercises
      • Answer to Chapter 11 Exercise
      • Answers to Chapter 12 Exercises
      • Answers to Chapter 13 Exercises
      • Answers to Chapter 14 Exercises
      • Answers to Chapter 15 Exercises
      • Answers to Chapter 16 Exercises
      • Answer to Chapter 17 Exercise
    • B. Beyond the Llama
      • Further Documentation
      • Regular Expressions
      • Packages
      • Extending Perls Functionality
        • Libraries
        • Modules
        • Finding and Installing Modules
        • Writing Your Own Modules
      • Some Important Modules
        • The CGI Modules
        • The Cwd Module
        • The Fatal Module
        • The File::Basename Module
        • The File::Copy Module
        • The File::Spec Module
        • The Image::Size Module
        • The Net::SMTP Module
        • The POSIX Module
        • The Sys::Hostname Module
        • The Text::Wrap Module
        • The Time::Local Module
      • Pragmas
        • The constant Pragma
        • The diagnostics Pragma
        • The lib Pragma
        • The strict Pragma
        • The vars Pragma
        • The warnings Pragma
      • Databases
        • Direct System Database Access
        • Flat-file Database Access
      • Other Operators and Functions
        • Transliteration with tr///
        • Here Documents
      • Mathematics
        • Advanced Math Functions
        • Imaginary and Complex Numbers
        • Large and High-Precision Numbers
      • Lists and Arrays
        • map and grep
        • The splice Operator
      • Bits and Pieces
      • Formats
      • Networking and IPC
        • System V IPC
        • Sockets
      • Security
      • Debugging
      • The Common Gateway Interface (CGI)
      • Command-Line Options
      • Built-in Variables
      • Syntax Extensions
      • References
        • Complex Data Structures
        • Object-Oriented Programming
        • Anonymous Subroutines and Closures
      • Tied Variables
      • Operator Overloading
      • Dynamic Loading
      • Embedding
      • Converting Other Languages to Perl
      • Converting find Command Lines to Perl
      • Command-Line Options in Your Programs
      • Embedded Documentation
      • More Ways to Open Filehandles
      • Locales and Unicode
      • Threads and Forking
      • Graphical User Interfaces (GUIs)
      • And More
    • Index
    • About the Authors
    • Colophon

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