I recently took over maintenance of File::Which in order to fix some outstanding bugs. For those that are unawares, File::Which implements the unix capability of the which command as a portable Perl API. This allows you to search for commands in the system PATH, without actually needing to execute them. It takes the various idiosyncrasies of your platform into account so you don’t have to think about them. It also provides a command line interface called pwhich.

The main reason that I am bothering to write about this is as requested by multipl…