This document provides an introduction to the Perl programming language. It discusses the history and creation of Perl in 1987 by Larry Wall. It also covers the differences between Perl 5 and Perl 6, and provides information about Barcelona.pm which is a local Perl user group that teaches Perl courses on topics like data and operators, data structures, files and directories, regular expressions, and object-oriented programming. Wi-Fi connection details are also listed for attending their events.