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From "david" <da...@davidwbrown.name>
Subject Re: how can I copy a directory of files to lower case equivalents?
Date Tue, 02 Oct 2007 12:53:21 GMT
Hello Steve, this should be in DZONE snippets.

Steve Loughran wrote ..
> Alx G wrote:
> > Hi,
> > 
> > Does anyone know if there's anything in Ant that can copy files from
> a
> > directory to another directory but change all the file names to lower
> case?
> > 
> > e.g.
> > 
> > working/some_folder/etc/Blah.jpg => dist/some_folder/etc/blah.jpg
> > ...
> > etc. for a whole load of files in various directories.
> > 
> > Perhaps there's something I can add to this?
> > 
> > <copy todir="${dist.dir}/images">
> >     <fileset dir="images"/>
> > </copy>
> > 
> > If there's nothing in Ant directly, I'm going to have to write a PHP
> script
> > that does the renaming but I'd prefer not to create more scripts.
> > 
> > Any help would be much appreciated.
> > 
> > Many Thanks!
> > 
> 
> The ant-approved way would be a <copy> with an appropriate mapper listed
> as a nested element. This gives copy the mapping from input filenames to
> output names, lets it do the copying and dependency management as 
> normal. You just provide the renaming logic .
> 
> I dont see one, but I do see in the manual the <scriptmapper> example,
> which (ant1.7+ only) would let you do what you want in a few lines
> 
> 
>   <copy todir="${dist.dir}/images">
>       <fileset dir="images"/>
>      <scriptmapper language="javascript">
>       self.addMappedName(source.toLowerCase());
>     </scriptmapper>
>   </copy>
> 
> If you are running on java6, javascript is built in -no need for extra
> JARs to get scripting working.
> 
> Case conversion does sound like a common use case...you could always 
> write the java mapper and provide it with tests as an ant enhancement 
> bugrep.
> 
> -steve
> 
> -- 
> Steve Loughran                  http://www.1060.org/blogxter/publish/5
> Author: Ant in Action           http://antbook.org/
> 
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