12.8. More modules

use File::Spec;                       
$f = File::Spec->catfile('home', 'admin', 'project');    # fancy OOP style
print "$f\n";                           # home\admin\project on Windows

use File::Spec::Functions;              # build path based on current Os
$f = catfile('home', 'admin', 'project');
print "$f\n";                           # home/admin/project on Unix