How do I pass a shell script variable as an argument to a matlab function?
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I have a function 'main.m' that I want to accept a file path as input in a shell script.
P=/path/to/file.csv
matlab -r main($P)
or simply:
matlab -r main('/path/to/file.csv')
I have 'main.m' written as a function with no output. e.g.:
function main(filePath)
% code
end
I'm not sure if there are errors in the function declaration, the script syntax or both for this purpose. Any guidance is appreciated! Running MATLAB R2017a
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Geoff Hayes
2018년 3월 15일
Matthew - what is your operating system? On my Mac, I need to enclose the statement (that I wish to execute) in double quotes
/Applications/MATLAB_R2014a.app/bin/matlab -nodisplay -r "main('hello')"
Do you need to do the same? If you are still observing an error then please copy and paste the full error message to this question.
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Geoff Hayes
2018년 3월 16일
The statement being passed to matlab needs to be in double quotes
/Applications/MATLAB_R2014a.app/bin/matlab -nodisplay -r "main('hello')"
or
matlab -nodisplay -r "main($P)"
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Geoff Hayes
2018년 3월 16일
Hmmm...perhaps this is for newer versions of MATLAB (the documentation is for R2018a). My version, R2014a, says
matlab -r "command" starts MATLAB and executes the specified MATLAB command. Include the command in double quotation marks ("command"). If command is the name of a MATLAB function or script, do not specify the file extension. To separate multiple statements, use semicolons or commas.
So perhaps newer versions don't require the double quotes. Which version of MATLAB are you using?
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