Fluent Perl (SAGE)
SAGE has published
A Perl Tutorial that explains how to improve your Perl coding style.
"
Writing good Perl is not just about writing code that solves the task at hand correctly when run. If that were the only yardstick by which code were measured, winners of the Obfuscated Perl Contests would be lauded for their compact efficiency and emulated whenever possible. In this series of articles, I'll explore how you can write Perl fluently, so that your code is more readable, maintainable, and efficient."