Brief History of Perl

• Executing Perl commands at the command line
• White Spaces
• Semicolons
• Commenting lines
• Special Characters (new line, tab, etc)
• Quoting strings
• Cross Platform Perl Scripts
• Working with variables
• Scalars
• Arrays
• Hashes – Associative Arrays
• Operators

Arithmetic Operators

Assignment Operators

Logical Operators

String Operators

Relational Operators

File Test Operators

I/O Statements

Reading from keyboard

Writing to Screen

Control structures

Conditionals

if

unless

Loops

while

1. while

until

1. until

Loop Control

last

next

redo

LAB Exercise: User of Array and Function, Hash and Functions, list, join, split, Interpolation, q/, qq/, qw/, /u, /l etc.

Global Special Variables

• Global Special Arrays & Hashes
• Global Special File Handles
• Global Special Constants

Special Variables

File Handling

• Opening the file
• read mode
• write mode
• append mode
• read-write mode
• Reading from the file
• Writing to the file
• Closing the file

Simple Perl functions

• Extracting characters from a string
• Finding the index of a character in the string Extracting a substring from a string Array Functions
• Inserting elements in an array at specified position

Lab Exercise:

• Write a Copy command Perl Program. Use of <> and File handling
• Use of File Test command 

• Use of Global Special Variable

Regular Expressions

• Basic Regular Expressions
• Advanced Regular Expressions
• Scope of the variable
• Dynamic Scope
• Lexical Scope

References

• Array References
• Hash References
• Constructing multidimensional arrays
• Subroutines
• parameter processing
• Call By Reference
• Call By Value
• Packages and Modules
• Defining a Module’s interface
• Making Variables Private to a module
• Determining the Caller’s Package
• Automating Module Clean-up
• Preparing a Module for Distribution
• Speeding Module Loading with SelfLoader
• Speeding Up Module Loading with AutoLoader
• Overriding Built-in Functions
• Reporting Errors and Warnings Like Built-Ins
• Referring to Packages Indirectly
• Building and Installing a CPAN Module

Lab Exercise:

• Write a Subroutine for total of any Sequence

• Write a Subroutine using @ARGV
• Write a Subroutine using shift (parameter passing).
• Build Packages using Package Variables (our )
• Use of existing packages in Perl

Object Oriented Perl

• Constructing an object
• Destroying an Object
• Managing Instance Data
• Managing Class Data
• Using Classes as Structs
• Cloning Objects
• Calling Methods Indirectly
• Determining Subclass Membership
• Writing an Inheritance Class
• Accessing Overriden Methods
• Generating Attribute Methods 
• Using AUTOLOAD 
• Coping with Circular Data Structures
• Overloading Operators
• Creating Magic Variables with tie
• Working with Databases
• DBI Module
• Connecting to Database
• Solving the Data Inheritance Problem 
• Disconnecting from the database
• Create a table
• Insert a record in the table
• Query the table
• Update a record
• Delete a record
• Drop a table

Lab Exercise:

• Create a Person class.
• Write a Class Method and Object Method
• Access Class-Method and Object-Method using New object
• Inherit Person class in Employee Class
• Add new method in Employee class
• Override method of parent class in Employee class
• Create a Database in Mysql.
• Create a Table using perl DBI
• Insert single record using Perl DBI
• Insert Multiple record using placeholder (?).
• Update and Select records etc.

Introduction to MQSeries

• Message queue
• MQSeries client
• MQSeries messages
• MQSeries objects use CGI
• Configure Apache Server for CGI-scripting 
• Create CGI form
• Use of get, put, post method.
• Perl CGI & DBI application.

The Perl Debugger

• Entering and Exiting the Perl Debugger
• Entering the Debugger
• Exiting the Debugger
• List in Stepping Through Programs
• Displaying Variable Values
• Breakpoints
• Tracing Program Execution
• Line Actions
• Other Debugging Commands

Lab Exercise:

• MQSeries CPAN modules
• Writing your own MQSeries module
• package MQSeries: Command: Base Sample Example
• package MQSeries: Command: Request
• package MQSeries: Command: Response;