Is it possible to uninstall previous version of a custom toolbox as part of toolbox installation?
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I have created a custom MATLAB toolbox. As part of the installation process, is it possible to uninstall the previous version (if installed)? I was looking for a seamless installation so that users don't have to explicitly remember to uninstall the previous version.
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Jan
2017-8-3
It depends. If the toolbox is stored in a specific folder, you can delete this folder. But perhaps the users modify the M-files and deleting the folder might not be wanted.
A strategy would be to store the folder location in Matlab's preferences (see setpref). Include a checksum in each file. When a new version is installed, use getpref to obtain the former folder, check if any file was modified and if not ask the user if the former version should be deleted.
I keep older versions of toolboxes for a comparison of the results. This is useful to control, if the new version has bugs or changed output.
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Jan
2017-8-3
uninstall the previous one every time you install the new one
I would hate this as a customer.
I assume the uninstallation can be solved in many ways transparently. Simply start to implement it and solve the problems step by step. It is hard to suggest an exact way without providing the full program.
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