Introducing Perl -- Basic Concepts -- Scalars: Integers, Floating-Point Numbers, and Strings -- Operators -- Arrays, Hashes, References, and Typeglobs -- Structure, Flow, and Control -- Subroutines -- Scope and Visibility -- Using Modules -- Inside Modules and Packages -- Interpolation and Regular Expressions -- Input and Output with Filehandles -- Files and Directories -- Command Line and Shel…