Determining the date a given port was installed

[Clemens Lang]

On January 8, 2015 6:54:02 PM CET, Dave Horsfall <dave at horsfall.org> wrote:
>I think the key here is "port -q location ...", something I never knew 
>existed until now.

Agreed. I've started documenting it in a couple of places for the all-new man pages in 2.4: https://trac.macports.org/browser/trunk/base/doc/port-platform.1.txt?marks=30-31
-- 
Clemens Lang