Printing a message inside a function
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Shauna Smith
el 13 de Mayo de 2022
Comentada: Star Strider
el 13 de Mayo de 2022
Hi everyone,
I'm new to using and creating my own functions, however, I'm having some trouble getting a simple message to print inside my function.
I want the function to run a script (file_name), which it does and I am happy with that. But I want that message (file1 'has finished running') to be displayed so that when I change this function to run say 3 other scripts, I will know when each have finished running.
So here I define the function:
function run_other_code()
global file1
file1 = fullfile(['path'],'file_name.m');
run(file1)
print([file1 'has finished running'])
end
And here is where I call it, in another script:
run_other_code()
It runs up to the print line, absolutely fine, and does the job of running the other script. But then it fails and I get the following error message:
Reference to a cleared variable file1.
Error in run_other_code (line 5)
print([file1 'has finished running'])
I just can't work out why it doesn't work, I made file1 a global variable as I thought perhaps it was getting lost after it has been used first.
But I'm just not sure how to fix it. If anyone could help that would be brilliant - thank you.
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Respuesta aceptada
Star Strider
el 13 de Mayo de 2022
Use either:
sprintf('%s has finished running',file1)
or:
fprintf('\n%s has finished running\n',file1)
depending on the result you want.
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