On Feb 9, 6:07    
wrote:
> I had a need to do a filtered directory-tree copy, but didn't see
> anything in the std lib docs (or from googling) other than
> FileUtils.cp_r which doesn't do filtering, so I made alternate versions
> of that and FileUtils.copy_entry that do filtering.
>
> Ordinarily, I'd try to form it into something appropriate for potential
> inclusion in the official lib and submit a patch, but I'm still enough
> of Ruby novice that I don't really have enough of a feel for what
> exactly would be a "proper" way to integrate the feature, so I'm posting
> (attaching) it here as-is in the hopes that someone may at least find it
> useful. (FWIW, this is modified from the implementations in fileutils.rb
> from Ruby 1.9.1p378).

Seems like a useful idea. Join ruby-core mailing list and ask. And let
us know the outcome.