command history with updates

How do I import my command history from a previous release, once I have installed a new one ?

[Allen]

Roy,

Can you provide additional information regarding what steps you took to install the new version. For example:

• Did you uninstall the older version prior to installing the new version?
• If you still have both versions on your computer, if you open the older version, is the command history retained there?

[Roy Torbert]

I have both versions. The old version (2017b) still has command history.

[Roy Torbert]

Is there an answer to my question ?

[Fangjun Jiang]

I suggested below. Did you try?

Answer 1

[Fangjun Jiang]

The command history is saved as history.xml for different versions. See if you can simply copy over the file.

C:\Users\XYZ\AppData\Roaming\MathWorks\MATLAB\R2019b\History.xml

C:\Users\XYZ\AppData\Roaming\MathWorks\MATLAB\R2018b\History.xml

[Roy Torbert]

This applies to windows machines, and i am Mac. However, I found out how to do it and am now fine.

[Fangjun Jiang]

How did you do it? Please provide an answer. It might help others.

Answer 2

[Roy Torbert]

On a Mac, I went to /Users/XYZ/Library/Pallication Support/Mathworks/Matlab/R2017a ( old version)

and copied the history.xml file to the same sort of directory but ending with R2019b ( new version).

Thanks