Close diary file on Error
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Hi, I am using the diary function to log my application output. Something like
diary(path_to_logfile)
% all my code with output to the console, matrices written to desk, etc
diary off
When the code fails, the diary is not closed. One option would be to wrap all the code on a try-catch statement and close it on the catch.
Is there another way to avoid the diary being "open" when the app fails?
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Jan
am 20 Jul. 2012
TRY-CATCH is really the best solution:
diary(path_to_logfile)
try
% all my code with output to the console, matrices written to desk, etc
catch ME
fprintf(1, 'ERROR:\n%s\n', ME.message);
end
diary off
This is clean an efficient, and you could insert other code for cleanup also, e.g. fclose('all').
Weitere Antworten (2)
Andrew Janke
am 31 Jan. 2020
The onCleanup function is what you want in modern Matlab. No try/catch to ugly up your code, and it's robust even against a dbquit.
function my_function
diary(path_to_logfile)
RAII.diary = onCleanup(@() diary('off'))
% ... now do whatever, and don't worry about closing the diary; it'll
% be automatically closed whenever this function returns for any reason...
end
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