Hi Mark, I'm not sure this is something I'd encourage pursuing for most folks, but I understand that custom deployments may need special functionality. To implement this for your Galaxy instance, you'd want to look at the ObjectStore "delete" functions, here: https://github.com/galaxyproject/galaxy/blob/dev/lib/galaxy/objectstore/__in... -Dannon On Thu, Nov 3, 2016 at 12:33 AM, Mark Xiao <mustxyk@gmail.com> wrote:

Dear Galaxy Developers,

Because of specific use case, our transfer tool need to keep the datasets in a different location instead of the default location, so we'd like to purge datasets according to its "external_filename" (we found this column in the dataset table in the database). Is there a way or some code to modify so that when we try to purge a dataset or a history in Galaxy, the file located at a dataset's external_filename can also be deleted?

Thanks in advance, Mark Xiao

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