How to run a .m (matlab) file through java and matlab control?

Question

I have 2 .m files. One is the function and the other one (read.m) reads then function and exports the results into an excel file. I have a java program that makes some changes to the .m files. After the changes I want to automate the execution/running of the .m files. I have downloaded the matlabcontrol.jar and I am looking for a way to use it to invoke and run the read.m file that then reads the function. Can anyone help me with the code? Thanks

I have tried this code but it does not work.

public static void tomatlab() throws MatlabConnectionException, MatlabInvocationException {


        MatlabProxyFactoryOptions options =
            new MatlabProxyFactoryOptions.Builder()
                .setUsePreviouslyControlledSession(true)
                .build();
        MatlabProxyFactory factory = new MatlabProxyFactory(options);
        MatlabProxy proxy = factory.getProxy();


        proxy.eval("addpath('C:\\path_to_read.m')");
        proxy.feval("read");
        proxy.eval("rmpath('C:\\path_to_read.m')");

        // close connection
        proxy.disconnect();

    }

Answer 1

Based on the official tutorial in the Wiki of the project , it seems quite straightforward to start with this API.

The path-manipulation might be a bit tricky, but I would give a try to loading the whole script into a string and passing it to eval ( please note I have no prior experience with this specific Matlab library ). That could be done quite easily (with joining Files.readAllLines() for example).

Hope that helps something.