Its key features include portable interfaces for file system interaction, including management and cleanup of one or more temporary working directories. Many of the underlying ideas in this module originated in the testing framework invented by Peter Miller for his Aegis project change supervisor. Aegis is an excellent bit of work which integrates incremental creation and execution of regression tests into the software development progress.
Portability fixes for other systems are extremely welcome.
The downloadable archive, of course. The POD documentation of the interface in HTML, so you can take a look before you download. The POD documentation of the interface in plain text, if you prefer plain text.