Run command not working

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Denis Gorman 2023-8-21

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https://ww2.mathworks.cn/matlabcentral/answers/2011017-run-command-not-working

评论： Denis Gorman 2023-8-22

I have a script which runs various other .m files, using...

run('filename.m');

When I run the script, the .m files are not run. I can manually run them by opening them in the workspace and clicking 'run'. I can also run the .m files by entering in the command window....

filename % (i.e. without anything beforehand, and without the .m)

Can anyone help me understand why the run command doesn't work? As best as I can tell, the File directory and working folder are setup correctly

The script works for my colleagues - The only difference I'm aware of is that I have to run Matlab as an administrator, whereas my colleagues do not

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Stephen23 2023-8-22

"My indicator for whether the .m file 'runs or not' (poor wording, apologies) is whether the new variable gets created in my workspace when I run the .m file"

If the RUN command is called within a function or class method then it uses the workspace of that function or method, i.e. the variable is created inside the function/method workspace and will not be visible in the base workspace:

https://www.mathworks.com/help/matlab/matlab_prog/base-and-function-workspaces.html

That could explain the behavior you are seeing:

https://www.mathworks.com/help/matlab/matlab_prog/scripts-and-functions.html

You should also check the MATLAB evaluation status in the bottom left corner of the IDE:

http://www.ece.northwestern.edu/local-apps/matlabhelp/techdoc/matlab_env/deskto9b.gif

If MATLAB is busy it may not update the workspace.

Denis Gorman 2023-8-22

Huge thanks for the responses. Replacing 'run' with a simple call out for the filename appears to be effective. Comments noted on the appropriate/inappropriate scenarios for using run. Thanks!

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