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 Shell Interaction.- Terminal Input and Output.- Warnings and Errors.- Debugging, Testing, and Profiling.- Text Processing, Documentation, and Reports.- Object-Oriented Perl.- Extending and Embedding Perl.- Processes, Signals, and Threads.- Networking.- Unicode, Locale, and Internationalization.