libfile-spec-perl 3.4000-1ubuntu2 (amd64 binary) in ubuntu trusty

 File::Spec is a Perl module that provides a variety of modules and routines
 useful for working with paths and file specifications in a cross-platform
 manner. It also includes Cwd.
 .
 Please note that the modules from this package are already included in any
 standard Perl installation since version 5.4.5; this package is provided
 for those that need newer versions of this distribution.