Winopen does not work on executable

Question

Nikos Gartaganis 2022-8-8

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https://ww2.mathworks.cn/matlabcentral/answers/1775690-winopen-does-not-work-on-executable

回答： dpb 2022-8-8

Hello everyone, I am trying to make an app and it works fine, but when I compile it to a standalone app winopen() will not work. Any ideas?

I have included the winopen.m during packeging and also used full Path, but still it does not work.

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Abderrahim. B 2022-8-8

编辑：Abderrahim. B 2022-8-8

Hi!

what is the format of the file you are trying to open ? and on which operating system you are testing the App?

Thanks

Nikos Gartaganis 2022-8-8

I am trying to open an excel.xlsx file and I am using win10.

I have found a workaround by making a function that opens cmd and the open the excel file.

function [] = myOpenFile(filename)
    !cmd &
    inputemu('key_normal',filename)
    inputemu('key_normal','\ENTER');
    inputemu('key_normal','exit')
    inputemu('key_normal','\ENTER'); 
    inputemu('key_normal','exit')
    inputemu('key_normal','\ENTER');
end

You need also the inputemu.m function. It works fine for me, even when the app is already compiled.

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Answer 1

dpb 2022-8-8

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https://ww2.mathworks.cn/matlabcentral/answers/1775690-winopen-does-not-work-on-executable#answer_1023035

I've packaged it (winopen) in another app and it works fine. Looking at the above code snippet, I'd hypothesize your problem is that you're not using the fully-qualified filename to open and so it isn't finding the file -- but winopen unfortunately doesn't include any return parameter to report on its success in that regards; you could(*) do an exist on the filename first to ensure it does exist and is found first.

(*) Probably "should" instead of "could" is more appropriate