Perl is a powerful interpreted programming language that has matured steadily since it first appeared in 1988. The first edition of this book, Programming Perl, hit the shelves in 1990, and was quickly adopted as the undisputed Bible of the language. Since then, Perl has grown with the times, and so has this book. Programming Perl provides a unique introduction to the Perl language and its culture, as you might expect only from its authors. This third edition of the book has been expanded to cover version 5.6 of Perl. New topics include threading, the compiler, Unicode, and other features that have been added or improved since the previous edition.