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Overview of Perl |
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What is Perl?
Running Perl Programs
Example Programs
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Perl Variables
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Three Types of Variables
Variable Names and Syntax
Variable Naming
Lists
Scalar and List Contexts
The Repetition Operator
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Arrays and Hashes |
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Arrays Example - The @ARGV Array
Array Functions
Array Slices
Hashes
Hash Functions
Scalar and List Contexts Revisited
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I/O: Input Operations and File I/O Filehandles |
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The open Function
The Input Operator
Default Input Operator
The print Function
File Operation Functions
Reading Directories
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Operators
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Perl operators
Operators, Functions and Precedence
File Test Operators
Assignment Operator Notations
The Range Operator
Quotation Operators
Pattern Matching Operators
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Flow Control |
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Simple Statements
Simple Statement Modifiers
Compound Statements
The next, last and redo Statements
The for Loop
The foreach Loop
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Regular Expressions
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Pattern Matching Overview
The Substitution Operator
Regular Expressions
Special Characters
Quantifiers (*, +, ?, {})
Assertions (^, $, \b, \B)
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Subroutines
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Overview of Subroutines
Passing Arguments
Local Variables
Passing Names
Returning Values
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Quoting and Interpolation
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String Literals
Interpolation
Array Substitution
Backslashes and Single Quotes
Command Substitution
Here Documents
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References
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References
Creating References
Using References
Passing References as Arguments to Subroutines
Anonymous Composers
Hard References as Hash Keys
The Symbol Table
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Complex Data Structures
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Two-dimensional Arrays in Perl
Anonymous Arrays and Anonymous Hashes
Arrays of Arrays
Arrays of References
A Hash of Arrays
A Hash of Hashes
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Packages and Modules
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Packages
BEGIN and END Routines
require vs. use
Modules
The bless Function
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Object-Oriented Programming in Perl
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What is Object-Oriented?
Why Use Object-Oriented Programming?
Classes, Objects, and Methods in Perl
Inheritance, the "is-a" Relationship
Containment, the "has-a" Relationship
Overloaded Operators
Destructors
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Advanced Regular Expressions
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Substrings
Substrings in List Context
RE Special Variables
RE Options
Multiline Res
Substituting with an Expression
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Binary Data Structures
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Variable-Length (Delimited) Fields
Variable vs. Fixed
Handling Binary Data
The pack() Function
The unpack() function
The read () Function
C Data Structures
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Multitasking with Perl
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What are Single and Multitasking?
UNIX Multitasking Concepts
Process Creation with fork
Program Loading with exec()
File Descriptor Inheritance
How UNIX Opens Files
One-Way Data Flow - Pipes
Final Result - Page Viewing
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Sockets Programming in Perl
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Clients and Servers
Ports and Services
Berkeley Sockets
Data Structures of the Sockets API
Socket System Calls
Generic Client/Server Models
A Little Web Server
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Appendix 1 - The Perl Distribution
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Where Can You Get Perl?
How Do You Build Perl?
What Gets Created and Installed?
Differences Between Platforms
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Appendix 2 - The Perl Debugger
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Overview of the Perl debugger
Debugger Commands
Non-Debugger Commands
Listing Lines
Single Stepping
Setting and Clearing Breakpoints
Modifying the Debugger
The -w and -D Flags
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