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Matt J

Why can Answers only accept zipped .mat attachments?

Asked by Matt J
on 26 Sep 2013
Latest activity Commented on by Matt J
on 14 Nov 2013
I notice that I cannot attach .mat files to my Questions, unless zipped. I was just curious why we are forced to .zip them. Is it to help minimize disk consumption? Then why not request everything be zipped?


We wanted to start with a minimal list of allowed file types, and expand the list as needed. I'll look into getting .mat added as an attachable format.
People will probably also be wanting to attach .fig

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3 Answers

Answer by Matt J
on 6 Oct 2013
 Accepted Answer

I'm closing this in light of Randy's response.


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Answer by Jan
on 28 Sep 2013
Edited by Jan
on 28 Sep 2013

Of course I cannot answer this question. I would not prefer zipped files due to security problems. Beside the zip bomb vulnerabilities, you can hide malware more easily in zip files also.
I've created a pseudo-zip file and attached it:
s = 'hello!';
save('', 's');
Reading it works by:
load('', '-mat')
Therefore I do not see a real benefit of rejecting '.mat' files.
By the way, with posting this file I agreed with the "Guidelines for Submitting Content". But this text is very hard to read. Such juristic texts are hard to follow in the mother-language already, but this forum is thought for international access. So I agreed with these guidelines, but I frankly admit, that it would take me more than an hour to understand them in detail.
Wouldn't it be necessary to post a definition or at least a link to "Creative Commons Attribution Share Alike 3.0 license"? Because I find the name of the license only, I have to trust the results of my favorite internet search engine, that exactly this version of the text is shown on top, which is meant by MathWorks. Of course this is likely, but for a legal text, which tries to be bullet-proof, more clarity would be more useful.


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Answer by Randy Souza on 14 Nov 2013

As of today (Nov 13, 2013) you can attach .fig, .mat, and .mdl files.

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