Fwd: [Perldl] Proposal: MAT-File reading module

[David Mertens]

Ben -

In case you didn't get this, see the forwarded message below. I do not use Matlab files myself, but apparently John Lapeyre does, and has even written a module to parse MAT files into PDL data. You should probably rib him into pushing his module onto CPAN, and then both of you can include the other in your "SEE ALSO" sections.

Actually, the best approach might be for both of you to combine your parsing code into one underlying MAT parser. John could then include anything PDL-specific in PDL::IO::Matlab, and Ben could include anything Perl-array specific into Data::MATFile. Or something like that.

David

---------- Forwarded message ----------
From: John Lapeyre <lapeyre....@gmail.com>
Date: Sun, Dec 16, 2012 at 4:41 PM
Subject: [Perldl] Proposal: MAT-File reading module
To: per...@jach.hawaii.edu
Cc: benkasmi...@gmail.com

I already posted this a while ago:

 https://github.com/jlapeyre/PDL-IO-Matlab

I didn't get around to putting it on cpan or prepan. I work with
people who exchange data via matlab files, so I use it.

My module is an interface to C code, so it needs a compiler
and there are porting issues, I suppose. Ben Bullock's looks
like pure perl and stores data in perl arrays.

> Message: 1
> Date: Sat, 15 Dec 2012 19:14:03 -0600 > From: David Mertens <dcmerte...@gmail.com> > To: perldl <per...@jach.hawaii.edu> > Subject: [Perldl] Fwd: Proposal: MAT-File reading module > Anyone here use matlab interested in this? > > David > ---------- Forwarded message ---------- > From: "Ben Bullock" <benkasmi...@gmail.com> > Date: Dec 14, 2012 2:47 AM > Subject: Proposal: MAT-File reading module > To: <the-quanti...@googlegroups.com> > > Greetings Quantified Onion members. > > I am proposing a new Perl module for reading (and in the future possibly > writing) the MATLAB MAT-File format. If anyone here uses or wants to use > this format I would appreciate your input. The place to go is > > http://prepan.org/module/44xKQxfiW3 > > You can also fork the code on github here: > > https://github.com/benkasminbullock/Data-MATFile > > I hope to hear from you on prepan. If prepan is inconvenient, please reply > here, or to me by email, or even by the github issue tracker. > > Ben Bullock

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[Ben Bullock]

The motivation behind Data::MATFile is that ".mat" files are used a
lot in something called "machine learning". Basically the point is to
get the data directly out of those files.

The PDL::IO::Matlab is based on a C library called Matio. I think it's
just a C program. The Data::MATFile is a Perl library for reading
MATLAB files without C parts, just in Perl using "unpack".