High Quality Content by WIKIPEDIA articles! The structure of the Perl programming language encompasses both the syntactical rules of the language and the general ways in which programs are organized. Perl`s design philosophy is expressed in the commonly cited motto "there`s more than one way to do it". As a multi-paradigm, dynamically typed language, Perl allows a great degree of flexibility in program design. Perl also encourages modularization; this has been attributed to the component-based design structure of its Unix roots, and is responsible for the size of the CPAN archive, a community-maintained repository of more than 100,000 modules.