No, since the integer X relates the file on disk to the Dataset object in the database.  Technically, you could probably pull it off if you wanted to perform a bunch of database surgery, but I'd really not recommend it.

-Dannon


On Fri, Jul 4, 2014 at 3:43 AM, Pat-74100 <leonardsquall15@hotmail.com> wrote:
Dear Galaxy developers.

Running tools produce dataset_x.dat files in /database/files/
Looking this link https://wiki.galaxyproject.org/Admin/Config/Performance/Purge%20Histories%20and%20Datasets , I know we can purge and delete datasets .

But new analysis produce dataset_(x+1).

Is it possible to reset the dataset name ? that is restart from dataset_1.dat ?

Thanks.
Pat

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