You can use an ant "Selector". Try something like this:
<target name="copy-them" depends="init">
<copy todir="${build}">
<fileset dir="${src}">
<include name="**/*.xml"/>
<present present="srconly" targetdir="${build}"/>
</fileset>
</copy>
</target>
Take a look at: http://ant.apache.org/manual/CoreTypes/selectors.html
> -----Original Message-----
> From: Ryan Owens [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, August 17, 2004 10:54 AM
> To: Maven Users List
> Subject: Copy without overwriting.
>
> Hello all.
> I need to copy a set of files to a directory, but not overwrite a file
> if it exists.
> In other words I only want to copy files that have not been previously
> copied.
>
> this is what I have in my maven goal now:
>
> <copy todir="${maven.src.dir}/java" overwrite="false">
> <fileset dir="${mydir.dest}/java">
> <include name="**/*.java" />
> </fileset>
> </copy>
>
> The ant copy task's 'overwrite' attribute only prevents a copy if the
> destination file is newer, so this snippet doesn't work.
> I need to prevent a copy if the destination file exists at all.
> This may be more of an ant question but I've scoured all the ant
> resources I can find and I'm thinking I need to use jelly or something.
> Is there a better way to copy in Maven than using the ant copy task?
>
> Thanks for your time and help!
>
>
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