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If you have ever said, "Hey, I've heard of coverage analysis. How does that work in Perl?", you should attend this presentation. It will explore the role of coverage analysis in testing and guide you through typical uses of Perl's major tool for conducting coverage analysis, Paul Johnson's CPAN module Devel::Cover. The use of Devel::Cover will be illustrated in simple programs, in CPAN-style distributions and in large-scale projects such as Parrot. Participants will get a take-home exercise ... and possibly a pony!