Indeed there is no standard for what is above a given stack and even 
then it's not unique.  Our default installs put them all in one 
directory or in one directory per stack.  You can always strip the 
directory name.

If you'd care to share your use case we can try to help more.

Tully

On 06/14/2010 06:56 PM, Bill Morris wrote:
> On Mon, 2010-06-14 at 10:26 -0700, Brian Gerkey wrote:
>    
>>      
>>> This brings to mind another stack question, right now it appears that
>>> there is no way to easily determine what is the installation directory
>>> for a stack.
>>>        
>> Are you looking for 'rosstack find foo' (http://www.ros.org/wiki/rosstack) ?
>>
>> 	brian.
>>      
> I'm looking for one level above that, except as far as I can tell it's
> not unique.
>
>
>
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