On Oct 14, 10:52 am, Phrogz <phr... / mac.com> wrote: > On Oct 13, 7:50 pm, Brian Adkins <lojicdot... / gmail.com> wrote: > > > Hmm.. it just occurred to me that many of the solutions presented here > > have the flaw of potentially calling File.atime() multiple times for > > the same file which would require unnecessary calls to the operating > > system to get the access time of the file. > > Really? Which ones? Uh, those would be mine :( Moot point though (see other post). > You do realize that #sort_by is explicitly > designed to call the comparison method exactly once for each object, > right? Actually, I had missed that. Thanks for pointing it out. This seems to be a case where sort_by is certainly warranted.