Application compiler: How do I pass a file as Command line Input type argument

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Deepa Maheshvare
Deepa Maheshvare 2021-8-4
评论： Deepa Maheshvare 2021-8-20
I am using Application compiler for generating a standalone application. I'm following the documenttaion available here
https://in.mathworks.com/help/compiler/create-and-install-a-standalone-application-from-matlab-code.html
Example,
function m = magicsquare(n)
if ischar(n)
n=str2double(n);
end
m = magic(n);
disp(m)
On the command line, I do !magicsquare 5, to run the executable.
But when I want to pass a file (e.g excel or json file) as an input argument while running the executable generated for my use case, how do I pass an input file?

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采纳的回答

Kojiro Saito
Kojiro Saito 2021-8-5
File object itself cannot pass in command line, but you can pass file path.
Below is a sample code.
function myFileOpenTest(inputFileName)
result = isfile(inputFileName);
if result
t = readtable(inputFileName);
disp(t)
else
error('File not found')
end
end
You can run the exe with file name as an input argument.
myFileOpenTest.exe myData.xlsx
By default, standalone application does not show disp result in Command Prompt, so you need to uncheck the following option.
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Walter Roberson
Walter Roberson 2021-8-16
Current versions of readtable() also support URLs; https://www.mathworks.com/help/matlab/ref/readtable.html#btx_238-1_sep_mw_0c943b7b-3930-4683-b320-a361b8774ece
load() of a .mat file supports URLs but only for -v7.3 files, not for -v7 or -v5 .mat files.
The ability of readtable() to support URLs has been very convenient here on MATLAB Answers; the volunteers can now refer directly to the poster's attached file, instead of having to download the file and upload it to attach it to their own post.

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Image Analyst
Image Analyst 2021-8-16
You need to wrap your filename in single or double quotes, expecially if there is a space, otherwise it will think you're passing two arguments. You should be able to do
!magicsquare("c:/users/Deepa/my data.xlsx"); % Run the .exe file (not the m-file)

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