Description:

Path::Class is a module for manipulation of file and directory
specifications (strings describing their locations, like
'/home/ken/foo.txt' or 'C:\Windows\Foo.txt') in a cross-platform
manner. It supports pretty much every platform Perl runs on, including
Unix, Windows, Mac, VMS, Epoc, Cygwin, OS/2, and NetWare.

The well-known module File::Spec also provides this service, but it's
sort of awkward to use well, so people sometimes avoid it, or use it
in a way that won't actually work properly on platforms significantly
different than the ones they've tested their code on.