# Re: "Sync" sometimes does not delete folders

```Hello,

I could track down the reason for the problem. Now I'd need an advice from
experts how to solve it :-)```
```
When synchronizing the dirs, we'd like to preserve some files. These files have
a certain local name. Hence we specify these files in the 'preserveintarget'
clause.

The problem is that if a directory that should be deleted as a whole (because
it does not exist in the source anymore) contains such a file, it does not get
deleted (because it's still not empty).

How could I achieve that the non-existence of the dir in the source "wins" over
the 'preserveintarget'?

Here's an example:

source dir structure: empty (i.e. no files or subdirs in it)

target dir structure:

aaa (dir)
fileToPreserve.txt (file)

<project default="sync">

<property name="from" value="C:\testFrom" />
<property name="to" value="C:\testTo" />

<target name="sync">
<sync todir="\${to}">
<fileset dir="\${from}"/>
<preserveintarget>
<include name="**/fileToPreserve.txt" />
</preserveintarget>
</sync>
</target>

</project>

The desired result here would be that the dir 'aaa' is deleted in the target
because the dir does not exist in the source.

What I observe is that the dir 'aaa' is not deleted because it contains a file
to preserve. But this file should be ignored in my case because 'aaa' should be
deleted as a whole. I.e. ant should not even look into aaa.

How can I achieve this?

Thanks!
AL

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