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From Matt Benson <>
Subject Re: how would I perform set intersection or disjunction with filesets?
Date Thu, 14 Jul 2005 22:23:00 GMT
Hi Craeg:
    I guess nobody from the dev side has answered this
so as not to steal my thunder.  Ant CVS HEAD contains
initial support for a ResourceCollection interface
which will be implemented by FileSet etc. 
Additionally set logic such as you describe will be
supported.  These changes are planned for Ant 1.7 . 
Currently most of Ant's tasks have NOT been modified
to use generic resource collections, however.  I have
been quite covered up lately but hope to get back in
soon and finish what I have started.  :)


--- Craeg Strong <> wrote:

> Hello:
> Here is a fun question: does anyone have any ideas
> as to how one might
> go about producing a fileset that represents the
> filesets?
> That is, it will include only those files that are
> in both filesets A
> and B.
> Another question: how might one produce a fileset
> that includes all
> those files from fileset A that are NOT part of
> fileset B?
> I believe selectors provide the capabilities I would
> need to get the
> above job done at a low level, but it might be nice
> to be able to
> perform set operations like this on filesets
> directly, for better code
> legibility and expressive power.  
> Opinions?  Ideas?
> Thanks in advance,
> --Craeg
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