Create Diary in a function?
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Florian Rössing
on 6 May 2022
Commented: Walter Roberson
on 9 May 2022
I am currently working on a simulation project where I want progress logs to be written to a file, so I can inspect them later. I was using diary for this. However having the setup of diary in the main function look ugly and made it bulky, so I wanted to move all the setup and diary functionality to a seperate function alike this:
function createLogFile(RunPath)
diaryfile = append(RunPath, 'log.txt');
if exist(diaryfile, 'file')
delete(diaryfile);
end
diary(diaryfile);
RAII.diary = onCleanup(@() diary('off'));
diary on
end
However as soon as the function finishes the diary falls out of scope and is closed.
Is there a way to pass the diary out of the function?
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Accepted Answer
Walter Roberson
on 6 May 2022
Return RAII from the function. Your onCleanup will not fire until the struct stops existing.
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