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Newsgroups: comp.soft-sys.matlab
Subject: Windows XP profile fills up with .MAT files which are not shortcuts
Date: Wed, 13 Apr 2011 13:25:22 +0000 (UTC)
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"Craig" wrote in message <i4el7q$918$1@fred.mathworks.com>...
> 
> You can solve this problem by opening an explorer window, Selectiing Tools->Folder Options->File Types and selecting New.  Type MAT in the field, click advanced and select "MATLAB Data" from the pulldown list.  You will get a warning that the extension already exists.  Click Ok to overwrite it.  Problem solved.

Thanks Craig for this, I have had a different manifestation of the same gremlin...

when using uigetfile my XP profile was filling up !

[datname,datpath] =uigetfile([pwd,'\*filestem*block1.mat'],'Load block1 of data');

after selecting my desired file and clicking on <OPEN> in the dialogue box a file appeared in C:\Documents and Settings\myusername\Recent

The file in Recent showed as filestem_block1 (no .abc after the filename) and the type was microsoft access table shortcut

The file in \Recent was Mb not the usual 1kb for a shortcut and after opening several different (large) files my profile filled up and caused problems with the computer.

Not helpful !!! But thanks to craig