
Introduction to Perl Training for Unix
Course Length: 5 days
Delivery Methods:
Available as private class only
Course Overview
In this Perl training course, students will learn to program effectively in Perl.
Course Benefits
- Learn to work with variables, arrays and hashes in Perl
- Learn to write flow control statements in Perl
- Learn to manipulate files with Perl
- Learn to use Perl's Regular Expressions
- Learn to create complex data structures with Perl
- Learn to use Perl packages and modules
- Learn to work with Perl's object-oriented features
- Learn to write subroutines in Perl
Course Outline
- Overview of Perl
- What is Perl?
- Running Perl Programs
- Sample Program
- Another Sample Program
- Yet Another Example
- Perl Variables
- Three Data Types
- Variable Names and Syntax
- Variable Naming
- Lists
- Scalar and List Contexts
- The Repetition Operator
- Arrays and Hashes
in Perl
- Arrays
- Array Functions
- The foreach Loop
- The @ARGV Array
- The grep Function
- Array Slices
- Hashes
- Hash Functions
- Scalar and List Contexts Revisited
- Quoting and Interpolation in Perl
- String Literals
- Interpolation
- Array Substitution and Join
- Backslashes and Single Quotes
- Quotation Operators
- Command Substitution
- Here Documents
- Perl Operators
- Perl Operators
- Operators, Functions and Precedence
- File Test Operators
- Assignment Operator Notations
- The Range Operator
- Flow Control
in Perl
- Simple Statements
- Simple Statement Modifiers
- Compound Statements
- The next, last, and redo Statements
- The for Loop
- The foreach Loop
- I/O: Input Operations and File I/O
with Perl
- Overview of File I/O
- The open Function
- The Input Operator < >
- Default Input Operator
- The print Function
- Reading Directories
- Regular Expressions
in Perl
- Pattern Matching Overview
- The Substitution Operator
- Regular Expressions
- Special Characters
- Quantifiers (*, +, ?, {})
- Assertions (^, $, \b, \B)
- Advanced Regular Expressions
in Perl
- Substrings
- Substrings in List Context
- RE Special Variables
- RE Options
- Multi-line REs
- Substituting with an Expression
- Perl RE Extensions
- Subroutines
in Perl
- Overview of Subroutines
- Passing Arguments
- Private Variables
- Returning Values
- References
- References
- Creating References
- Using References
- Passing References as Arguments to Subroutines
- Anonymous Composers
- The Symbol Table
- Complex Data Structures
in Perl
- Two-dimensional Arrays in Perl
- Anonymous Arrays and Anonymous Hashes
- Arrays of Arrays
- Arrays of References
- A Hash of Arrays
- A Hash of Hashes
- And So On...
- Perl Packages and Modules
- Packages
- BEGIN and END Routines
- require vs. use
- Modules
- The bless Function
- Introduction to Object-Oriented Programming in Perl
- 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
- Binary Data Structures
in Perl
- Variable-Length (Delimited) Fields
- Variable vs. Fixed
- Handling Binary Data
- The pack Function
- The unpack Function
- The read Function
- C Data Structures
- Multitasking with Perl
- 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
- Example
- Final Result - Page Viewing
- Sockets Programming in Perl
- Clients and Servers
- Ports and Services
- Berkeley Sockets
- Data Structures of the Sockets API
- Socket System Calls
- Generic Client/Server Models
- A Client/ServerExample
- A Little Web Server
Class Materials
Each student will receive a comprehensive set of materials, including course notes and all the class examples.
Class Prerequisites
Experience in the following would be useful for this Perl class:
- Basic Programming
Request a Private Class
- Private Class for your Team
- Online or On-location
- Customizable
- Expert Instructors