http://www.perlmonks.org?node_id=883583


in reply to Re^4: Fastest way to recurse through VERY LARGE directory tree
in thread Fastest way to recurse through VERY LARGE directory tree

Ah, gotcha. But you can work around building the entire list:
use warnings; use strict; use File::Find::Rule; File::Find::Rule->file->exec( sub { print $_[2], "\n"; return 0; } )->in('/path');