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Perl training
Perl Training Overview
Perl has been described as C, awk, sed, and shell programming all wrapped into one language. Learn how to take advantage of Perl's power through examples and extensive hands-on exercises. This course introduces object-oriented programming in Perl using an NT environment.
Perl Training Audience
Programmers and system administrators.
Perl Training Prerequisites
User-level skills in the NT environment are required. The ability to write programs in a high-level, structured language (such as C) is recommended.
Perl Training Course duration
4 Days
Perl Training Course outline
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Overview of Perl |
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What is Perl?
Running Perl Programs
Perl Scripts as Executable Programs
Sample Program
Another Sample Program
Yet Another Example
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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
Perl5 RE Extensions
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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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