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Hi Ken,Well, the default is precisely to copy the datasets (leaves in PyTables parlance) using exactly the same filters than the origin: http://www.pytables.org/usersguide/libref/hierarchy_classes.html?highlight=copy#tables.Leaf.copyHaving said that, you can always access the filters via the `.filters` attribute (http://www.pytables.org/usersguide/libref/hierarchy_classes.html?highlight=copy#tables.Leaf.filters) and pass it explicitly to the copy() function if you want to be explicit.Finally, make sure that you have a look at the `ptrepack` command line utility (http://www.pytables.org/usersguide/utilities.html?highlight=ptrepack#ptrepack), as it has a lot of interesting features so as to copy leaves or hierarchies from one HDF5 file to another.Francesc
On Thu, Jul 9, 2020 at 7:19 PM Ken Walker <ken.c...@gmail.com> wrote:
I'm writing a routine to copy Tables and Carrays between 2 HDF5 files.--I'd like to create the destination file using the same compression Filters as the source file.I know how to create and apply Filters for the destination file.What I can't figure out is how do I get the Filter values from the source table.Is this in the documentation or examples?Suggestions are appreciated.-Ken
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--Francesc Alted