Could you please cite any content here, by node, that taught you something about Perl? Please show some working code it helped you learn to write. Code, AKA Perl content, only. No numbers, no aphorisms, no quotes or quotation marks, no vague references, no mentioning of other languages or general practices, no talking about other monks, no handwaving. Perl content you learned here and Perl content you wrote with the knowledge.