Perl Programming

A lightweight execution-visualization book.

Foundations

Scalar and Text Basics

Lists, Arrays, and Hashes

Control Flow Patterns

Subroutines and Arguments

Regular Expressions

Files and Safe IO

References and Nested Data

Modules and Packages

Testing Basics

CPAN and Tooling Concepts

Package-Based Object Patterns

Error Handling and Defensive Perl

Text Formatting and Date Strings

Data Serialization Concepts