On Jan 12, 4:52 pm, Robert Dober <robert.do... / gmail.com> wrote:
>
> Maybe like this
>
>     unused.delete_if{ |source, routines|
>       routines.delete_if do |r|
>         routines.grep(r).size != MagicNumber
>       end
>       routines.uniq!
>       routines.empty?
>     }

Thanks guys!

Again, the replies to my OP via news://comp.lang.ruby
did not come through my newsfeed.  Sigh.

Regards,
--
Bil Kleb
http://fun3d.larc.nasa.gov