PERL Scripting

PERL Scripting - Course Contents

Day - 1

❖ Introduction to PERL

❖ Comments

❖ Reading from Standard Input

❖ Writing to Standard Output

❖ Scalar Variables – Numbers and Strings

❖ Use of Single Quotes and Double Quotes

❖ Escape Sequence and its Usage

❖ Use of ‘chop’ and ‘chomp’ functions

Day - 2

❖ Conditional Statements

❖ Simple IF Statements

❖ Simple IF … ELSE Statements

❖ Multilevel IF … ELSE Statements

❖ Looping Statements

❖ FOR Loop

❖ FOREACH Loop

❖ WHILE Loop

❖ DO … WHILE Loop

❖ DO … UNTIL Loop

Day - 3

❖ Additional Control Statements

❖ UNLESS Statements

❖ UNTIL Statements

❖ Loop Control Statements

❖ LAST statement

❖ NEXT statement

❖ REDO statement

❖ CONTINUE statement

❖ Command Line Arguments

Day - 4

❖ Arithmetic Operators

❖ Comparison Operators – Numbers and Strings

❖ Logical Operators

❖ Assignment Operators

❖ Concatenation Operators

❖ Conditional Operators

❖ String Repetition Operators

Day - 5

❖ Array Variables

❖ Definition

❖ Accessing the Elements of an Array Variable

❖ String Substitution

❖ Ranges and Expressions

❖ Copying Arrays

❖ Array within Array

Day - 6

❖ Arrays – Contd.,

❖ Size and Maximum Index of an Array

❖ Using Array Slices

❖ Reading an Array from Standard Input

❖ PUSH function

❖ POP function

❖ SHIFT function

❖ UNSHIFT function

❖ REVERSE function

❖ SORT function

❖ Splitting and Merging the Arrays

Day - 7

❖ File Handling

❖ Opening and Closing a File

❖ Different types of File Modes

❖ Reading the contents from file

❖ Use of ‘die’ and ‘warn’ statements

❖ Reading file to array variables

❖ Writing the contents to the file

❖ Standard error file

Day - 8

❖ File Handling – Contd.,

❖ Status of a File

❖ File Test Operators

❖ Introduction to Hash Variables

❖ Definition of Hash Variables

❖ Accessing the Hash Variables

Day - 9

❖ Hashes – Contd.,

❖ Adding the elements to the Hash Variable

❖ Removing the elements from the Hash Variable

❖ KEYS function

❖ VALUES function

❖ EACH function

❖ EXISTS function

❖ DELETE function

Day - 10

❖ Subroutines

❖ Defining and Invoking a Subroutine

❖ Forward Referencing

❖ Passing parameters to the Subroutine

❖ Returning a Value from Subroutine

❖ BEGIN predefined function

❖ END predefined function

❖ AUTOLOAD predefined function

Day - 11

❖ Use of ‘strict’ pragma

❖ Defining the scope of Variables – MY, OUR and LOCAL

Day - 12

❖ Regular Expressions

❖ Pattern Matching

❖ Binding Operator (Match Operator)

❖ Use of Metacharacters

❖ Anchors

❖ Alternatives

Day - 13

❖ Regular Expressions – Contd.,

❖ Character Range Escape Sequences

❖ Understanding $`, $’ and $&

❖ Quantifiers

❖ Specifying Choices

❖ Reusing Portions of Patterns

❖ Pattern Sequence Scalar Variables

Day - 14

❖ Regular Expressions – Contd.,

❖ Pattern Matching Options

❖ Finding the Match Location

❖ Substitution Operator

❖ Translation Operator

Day - 15

❖ Introduction to References

❖ Using the Backslash Operators

❖ References to Subroutines

❖ Special Array Indices

❖ Use of Default Variables – ‘$_’ and ‘@_’

Day - 16

❖ Concepts

❖ Arrays of Arrays

❖ Arrays of Hashes

❖ Hashes of Hashes

❖ Hashes of Arrays

Day - 17

❖ Understanding Packages and Libraries

❖ “use” and “require” functions

❖ %INC and @INC Variables

❖ Concepts of Modularity

Day - 18

❖ Process Management

❖ “system” function and interacting with the shell

❖ “exec” function

❖ %ENV hash variable

❖ Use of back quotes

Day - 19

❖ Database Access using DBI Module

❖ DBI Architecture

❖ Notations and Conventions

❖ Database Connection

❖ INSERT Operation and using BIND values

❖ SELECT Operation and using BIND values

Day - 20

❖ DBI Module – Contd.,

❖ UPDATE Operation and using BIND values

❖ DELETE statement

❖ Using “do” statement

❖ COMMIT Operation

❖ ROLLBACK Operation

❖ Automatic Error Handling

❖ Disconnecting Database

❖ Using NULL values

Day - 21

❖ Introduction to PERL OOPS

❖ Working with Objects

❖ Turning tasks into OO Programs

❖ OOPS Terminologies

❖ Creating own classes

❖ ‘REF’ Operator

❖ ‘BLESS’ Method

❖ Storing Attributes

Day - 22

❖ Creating Constructor

❖ Considering Inheritance

❖ Providing Attributes

❖ Creating Methods

❖ Distinguishing class and object methods

❖ Get-Set Methods

❖ Class Attributes

Day - 23

❖ Privatizing the Methods

❖ Utility Methods

❖ Destructor

❖ Complete Class

❖ Adding new methods

❖ Overriding methods

Files and Log Files

• Regular Expression on various patterns

• Front End Development using PERL-CGI

• Report Generation