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pause-clc-fprintf-pause ... fprintf is ignored

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Paul Dostert
Paul Dostert on 3 Dec 2019
Commented: Navya Seelam on 6 Dec 2019
My thinking was that this:
fprintf('Test %d',1)
fprintf('Test %d',2)
  • Print "Test 1"
  • Wait for the user to press a key
  • Clear the Command Window and print "Test 2"
  • Exit when the user presses a key
However, "Test 2" is never printed. Instead a blank screen is displayed. What am I missing?
I'm using MATLAB Online (R2019b)


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Paul Dostert
Paul Dostert on 3 Dec 2019
Tried the drawnow() but no luck. It definitely works if the pause is replaced with an input(''), but I'm just curious why the original code doesn't work.
Perhaps you're correct and a clc executes after the next buffer flush?
Paul Dostert
Paul Dostert on 4 Dec 2019
Any chance you can try it in MATLAB Online just to verify it is having an issue on there?
Navya Seelam
Navya Seelam on 6 Dec 2019
I have brought this issue to the notice of our developers. They will investigate the matter further.

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