Modifying a script terminates its execution now?

K Drakakis

2022 9 6

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Consider the following toy little script:

while true
    i=1;
    disp(i);
    pause;
end

Save it and start running it in a Matlab window. Now open another Matlab window and modify it, say by setting

i=2;

and save it. If you are running Matlab R2021b, the script in the first window will terminate with a message that execution was terminated by user. This does not happen in R2020a, however.

This is a huge change in Matlab, as we are no longer able to run slight variations of a script simultaneously on different windows, unless we actually save them as different scripts. Has anyone else encountered this issue? Was it advertised as a new feature?

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Jan 2022-9-7

What happens, if you use functions instead of scripts? Varying the input arguments is smarter than modifying the code. And if you have a bunch of Matlab sessions running different scripts, which are edited during they are running, how do you keep the overview?

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