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From Evgeny <evgeny.zis...@gmail.com>
Subject Re: Uptodate working one way only
Date Tue, 12 Aug 2008 07:58:29 GMT
No one replied, perhaps I did not make myself clear.

I have a problem where I have a list of files scattered all over the
place .. the list is in a file.
Then I have no problems copying files with <mapper type="flatten"/>
and get a nice directory
with all those files copied into it.

But there is an <exec> task that I run on these files, that generates
.java from .idl and the problem
is that each idl is generated into multiple java files.

So when an idl file is copied with a new version, or a new idl file is
copied -- I need to clean the
generated files and generate everything fresh again. A process that
takes several minutes, and
I don't want to do this if no idl files were changed.

So I thought using the <uptodate> task is most appropriate ... but
here is the catch, it works
the wrong way. I have a <fileset> from that list-in-a-file, and I have
a directory with all those
files copied -- and <uptodate> does not provide a solution comparing
one to another in a way
that I will know when a <copy> is going to be made. And <copy> does
not provide something
like the "property" attribute that <uptodate> has, though it works in
exactly the way I need.


Other than writing custom tasks for Ant that will give me the
usability of <uptodate> with the
functionality of <copy>, is there any other way that I am missing?


Regards,
Evgeny


On Wed, Aug 6, 2008 at 5:20 PM, Evgeny <evgeny.zislis@gmail.com> wrote:
> Hi Ant users,
>
> I wish there was a way to use the uptodate task in the other
> direction, not check source against target but check target against
> source. Since my list of files in source comes from a list in a text
> file, and it's easy to use a mapping to map them to the place where
> they are copied to (aggregated). But I want to have a way to use
> antcall or something similar if there is anything needs to be copied,
> and it's almost impossible with the current uptodate task.
>
> Regards,
> Evgeny
>

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