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From "Steve Loughran" <>
Subject Re: copying on files changed
Date Sat, 08 Dec 2001 02:31:55 GMT

----- Original Message -----
From: "Christopher Berry" <>
To: "Ant-User (E-mail)" <>
Sent: Friday, December 07, 2001 3:23 PM
Subject: copying on files changed

> Greetings,
> We are building many projects independently. Each of these projects build
> within their own project structure (i.e. they have their own /src and
> directories). After compilation, the CLASS files are then copied from
> into a central deployment area named whatever/classes. This all works well
> enough. (Note: we do not compile directly into /classes, or use separate
> files, for several reasons)
> So here's my problem. I would like to copy only those CLASS files which
> just compiled from /build into /classes. I think this is possible using
> <uptodate> task with an appropriate <mapper>. But I haven't yet gotten it
> work properly. I'm hoping that one of the Ant gurus on this list might
> me some guidance.

By default <copy> only copies files if they are newer than the destination.
So it should be all you need.

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