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Granting MATLAB permissions to access folders

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Stephen Pratt
Stephen Pratt on 5 Apr 2021
Commented: Stephen Pratt on 14 Apr 2021
I started using MATLAB and wanted to change the Path. A window popped up and said, MATLAB is seeking permission to access this folder, do you want to grant it. I accidently clicked "No." How do I change that response and grant MATLAB permission?

Answers (2)

Madhav Thakker
Madhav Thakker on 14 Apr 2021
Hi Stephen,
A simple workaround could be to make that particular folder available to all users and all processes.
Hope this helps.

Jan
Jan on 14 Apr 2021
Edited: Jan on 14 Apr 2021
To modify Matlab's path variable, you need access to:
fullfile(matlabroot, 'toolbox', 'local')
Here the path is stored in pathdef.m. Remember that this concerns all users of the computer.
You cann get write permissions to this folder in the Windows Explorer (right click on the folder, Properties, Security -> Set Permissions), or with chmod under MacOS and Linux in a shell of the operating system.
It might be more useful to create your own pathdef.m file in a location, which is found earlier in the PATH, e.g. in your user folder. See: https://www.mathworks.com/matlabcentral/answers/23180-how-to-store-my-pathdef-m

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