how to override a diary command if another diary already exists?

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I usually create a log file at the start of each session by adding it to startup.m. Now, I'm trying to run a piece of code that maintains a local log by creating another diary. Once this second diary is created, my global diary loses its logging capabilities.
Is there a way I can override a new diary creation if another diary file already exists?

Accepted Answer

Geoff Hayes
Geoff Hayes on 27 Jun 2014
You can check the status of the diary with the following code
diaryStatus = get(0,'Diary');
The diaryStatus will be the string 'on' if a diary has already been started to log keyboard input. If the status is 'off' then there is no existing diary and a new one can be started. See http://www.mathworks.com/help/matlab/ref/diary.html for details.
Hope the helps!

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