If you need to write data to a file for later use, you could store everything in the preferences. However, doing so would require you to load your data to a variable and use getpref/setpref. Especially on Octave this can be fairly slow.
This function will return the path to a folder for which Matlab/Octave has write access. This path will be dependent on the system only, not on the version of Matlab/Octave.
Licence: CC by-nc-sa 4.0
Rik (2023). GetWritableFolder (https://github.com/thrynae/GetWritableFolder/releases/tag/v1.0.0), GitHub. Retrieved .
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See release notes for this release on GitHub: https://github.com/thrynae/GetWritableFolder/releases/tag/v1.0.0