MATLAB: How to get a non-UNC path with the tempfile function

filedirfilenameunc

If I call the tempfile function on a Window PC I get an UNC path (starts with \\). I think this is because I am running a network version of MatLab. What do I have to do to get a regular DOS path (e.g. E:\)? Can I just map the LAN drive that I get?

Best Answer

You may need to map the directory to a drive as well as set your $TEMP environment variable accordingly (you will need to restart MATLAB to get updated environment variables).

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MATLAB: Addpath from a different subfolder of the same parent directory

Data folder should never be added to the search path. It's dangerous (you may change what functions are in scope) and there's no need to anyway.

All matlab IO functions accept full paths of data file for import/export. It's much better to specify the full path of files. That way they can be anywhere you want, even on a network folder.

So, instead of something like:

%code that relies on the folder where mydatafile.txt resides to be on the path or be the current folder
data = csvread('mydatafile.txt');  %actual function used for importing is irrelevant

use

%code that works regardless of location of folder. Doesn't need to be on the path or be the current folder
folder = 'C:\somewhere\somefolder';  %location of mydatafile.txt. Could even be remote
data = csvread(fullfile(folder, 'mydatafile.txt'));

MATLAB: How to access UNC path with credentials

There's no direct way to access them in matlab. You probably could go through Java, or if on Windows, through .Net, but probably the simplest would be to mount the UNC through the OS. if on windows:

drivename = 'U:';  %whichever you want
unc = '\\somewhere\somepath\
user = 'username';
password = 'password';
system(sprintf('net use %s "%s" /user:%s %s', drivename, unc, user, password));

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MATLAB: Addpath from a different subfolder of the same parent directory

MATLAB: How to access UNC path with credentials

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