Perl Online Training

Perl Online Training

What is Perl?
The Input Operator
Print / Printf Statements
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

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

String Literals
Interpolation
Array Substitution and Join
Backslashes and Single Quotes
QUOTATIONOperators
Command Substitution
Here Documents

Conditional Statements

If Statements
If Else Statements
If Else if Statements
Nested If Statements
Switch Statements

Looping Statements

While Statements
Until Statements
For Statements
For Each Statements

Pattern Matching Overview

The Substitution Operator
Regular Expressions
Special Characters
Quantifiers (*, +, ?, {})
Assertions (^, $, \b, \B)
Translate
Split
Join

Subroutines

Overview of Subroutines
Passing Arguments
Private Variables
Returning Values

Files Handling

Overview of File I/
The open Function
The Input Operator
Default Input Operator
The print Function
Reading Directories

Packages and Modules

Packages
BEGIN and END Routines
require vs. use
Modules
The bless Function

Database Connectivity

Using DBI
Fetching output of the Query through Perl
Running other DB queries.