MATLAB: How to change the location of the temp folder where the DMR files are created

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How can I change the location of the temp folder where my DMR files are created?

Best Answer

You can use the following commands to modify the location of the temp folder:

% Clear any existing persistent temporary directory value
>> clear tempdir;
% Specify a new temporary directory value
>> setenv('TMP','newpath');

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MATLAB: How to move the ‘pathdef.m’ file from its default location to another location in MATLAB 8.1 (R2013a)

The ability to select an arbitrary location for the MATLAB path file 'pathdef.m' is not available in MATLAB 8.1 (R2013a). One possible workaround is detailed below.

By default, the 'pathdef.m' file may be located in either the '$MATLABROOT/toolbox/local' directory or the '$USERPATH' directory, where $MATLABROOT and $USERPATH are the directories displayed after entering the commands

matlabroot

and

userpath

at the MATLAB command line respectively.

The 'pathdef.m' file can be manually copied from either of these directories and placed in an arbitrary directory. To use the copied 'pathdef.m' file at initialization, create a MATLAB file titled 'startup.m' and place it in the '$USERPATH' directory. Copy the lines of code below to the file. If a 'startup.m' file already exists in '$USERPATH', add the lines of code to the end of the file:

% save starting directory
startdir = pwd ;
% specify arbitrary directory containing pathdef.m
pathdir = '<MODIFY>' ;
% change directory so that target 'pathdef.m' has highest precedence
% in the MATLAB search path
cd(pathdir)
% set the MATLAB search path using PATH
path(pathdef)
% change directory back to the starting directory
cd(startdir)

Make sure to modify the string marked "MODIFY" in the above code to the directory to which the 'pathdef.m' file was copied. The 'startup.m' script will be automatically executed upon MATLAB initialization.

MATLAB: How to make a system able to find a file under the MATLAB root directory

Folders under matlabroot are by default "frozen", meaning that any changes to these folders on the path will not be picked up by MATLAB automatically.

If this file has to be placed under matlabroot, you can try

>> rehash toolboxcache

>> fschange "foldername"; rehash;

after placing the file into a folder that is under matlabroot (and also on path).

Then, the "which" command should be able to find the file.

Best Answer

Related Solutions

MATLAB: How to move the ‘pathdef.m’ file from its default location to another location in MATLAB 8.1 (R2013a)

MATLAB: How to make a system able to find a file under the MATLAB root directory

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