[hdf-forum] provenance

[Quincey Koziol]

Hi Matthew,

On Mar 24, 2009, at 1:32 PM, Matthew Dougherty wrote:

> Is there a unique identifier internally within an HDF file when it  
> is created?
>
> Something that would distinguish it from another HDF file created  
> two seconds later, and cannot be disabled or modified.
> Do not want to use the operating system/file system creation date or  
> parameters in fstat, prefer a HDF api.

	That's a good idea...  Would a UUID fit what you are thinking?  (http://en.wikipedia.org/wiki/Uuid 
)

		Quincey

> On Mar 24, 2009, at 5:11 AM, Quincey Koziol wrote:
>>
>> 	BTW, tracking these time for an object can be disabled by calling  
>> H5Pset_obj_track_times() with the 'track_times' parameter set to  
>> FALSE.
>
>

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