Simon Willison’s Weblog

Learning Perl the Hard Way [PDF]. A guide to Perl for people with previous programming experience.

Posted 18th June 2005 at 6:27 pm

Recent articles

The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025
LLM 0.27, the annotated release notes: GPT-5 and improved tool calling - 11th August 2025

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