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Re: Support for Matlab's 7.3 file format
From: |
Pantxo |
Subject: |
Re: Support for Matlab's 7.3 file format |
Date: |
Sun, 10 Apr 2016 01:05:58 -0700 (PDT) |
LachlanA wrote
> Greetings all,
>
> I'd like to be able to read Matlab v7.3 HDF5 files, since I need to work
> with >2GB files. Does anyone have any tips? From bug #45706, I assume it
> is still unsupported.
>
> In 2007, Christopher Hulbert said that he had started writing code to read
> v7.3 files
> [http://octave.1599824.n4.nabble.com/New-undocumented-mat-file-format-tc1645399.html],
> but I haven't seen signs of that in the code.
>
> In 2013 at
> [http://octave.1599824.n4.nabble.com/Reading-Matlab-td4650158.html], jwe
> wrote:
>
>> The code in Octave for handling HDF5 files was written long before
>> Matlab's save function was changed to create HDF5 files, and is only
>> intended to read HDF5 files that Octave itself creates.
>>
>> Are you interested in contributing code to support Matlab's new HDF5
>> save format? If so, let's discuss your plans on the maintainers list.
>
> I know basically nothing about hdf5 and so have no "plans", but would like
> to have a (slow) go at this.
>
> Thanks,
> Lachlan
Hi,
I think supporting ML 7.3 format boils down to having better hdf5
capabilities. There is an ongoing work for supporting h5read/write that
looks very promising but that no one found the time to review, see this
patch:
https://savannah.gnu.org/patch/?8607
Pantxo
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