Perl Basics #24: Reading and Writing Files

Perl Basics #18: OOP - Classes, Instances, Attributes and Methods

Perl Basics #21: Installing Modules with CPANM

Perl Basics #1: Running Perl via CLI

Perl Basics #2: Perl Script File Structure

Perl Basics #7: References [Part 1]

Perl Basics #4: Debugging with Data::Dumper

Perl Mouse (OOP) #1: Creating Class Using Mouse Module

Perl Basics #15: Regular Expressions

Perl Basics #24: Reading and Writing Files

Perl Basics #19: "use" vs "require"

Perl Basics #5: Data Types - Arrays

Perl Basics #9: Subroutines