[Octave-bug-tracker] [bug #64756] add '-nocompression' option to save function for better Matlab compatibility

[Philip Nienhuis]

Follow-up Comment #6, bug #64756 (project octave):

@wpeaton: you're absolved :-)

I didn't know, or realize, that Matlab compresses .mat files by default. That
may not have always been the case. In the script library or collection
(started in the late nineties) at my work we have old .m-files and function
calling 'load' explicitly with the '-v7' flag; I suppose that hasn't been
there for nothing. (Saving files on network drives goes a lot faster if
they're compressed on the fly.)

BTW, AFAIK Octave's '-v7' flag invokes compression by default - provided
Octave was built with zlib library support. That isn't stated as such in the
help text, though.  .mat files saved with  -v6' and '-v7' differ quite a bit
in size.


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