Modern Perl best practices emphasize high-level strategy and technical discipline to ensure code longevity:
: Organize code into logical "paragraphs" separated by whitespace, with a single-line comment explaining the purpose of each chunk. Core Language Guidelines 20 most important Perl Best Practices - PerlMonks
: Throw exceptions using croak or die instead of returning special "failure" values like undef . Perl Best Practices
: Design a module's interface (API) first by "play-testing" examples of how it will be used.
: Maintain all source code, documentation, and configuration files in a system like Git . Code Layout and Style Modern Perl best practices emphasize high-level strategy and
Consistency is more important than any single style choice. Automated tools help enforce these standards:
: Use descriptive, consistent names (e.g., lowercase with underscores for variables and subroutines) and mark reference variables with a _ref suffix. : Maintain all source code, documentation, and configuration
: Always include use strict; and use warnings; to catch common syntax errors and unsafe practices early.