Listen

Leverages native system calls on macOS, Linux, Windows, and BSD for high-efficiency change detection, as emphasized in the README's features.

Precisely distinguishes between file modifications, additions, and removals with separate callbacks, crucial for tools like Guard and Rails.

Supports regex patterns for ignoring or including files to reduce noise and improve performance, demonstrated via the :ignore and :only options.

Falls back to polling for unsupported environments like network filesystems, ensuring it works across diverse systems without crashing.