Can't run script in namespace directory

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Ratchet
Ratchet el 12 de Jun. de 2024
Respondida: Steven Lord el 12 de Jun. de 2024
Hello,
why is it that one apparently can't run scripts that are placed in namespace directories, i.e. direcotries that have their name start with a + ?
The reason I have a script in a namespace is that it containes some examples of how to use the code in the namespace. (It also seems like it's not possible to add a namespace directory to the path.)
  1 comentario
Image Analyst
Image Analyst el 12 de Jun. de 2024
What is the "current folder" in MATLAB, and is that the folder where your script lives? If not, is the + folder on your path? Type
>> path
to find out. How did you try to add it to the path? Via the Set Path button or the addpath function?

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Steven Lord
Steven Lord el 12 de Jun. de 2024
You can run a script in a namespace. You need to use the name of the namespace as part of the command, just like you would when you call a function. Let's make a script in a namespace:
cd(tempdir)
mkdir +mynamespace
cd +mynamespace
fid = fopen('myscript2127936.m', 'wt');
fprintf(fid, "disp('hello')");
fclose(fid);
cd ..
Now run it.
mynamespace.myscript2127936
hello
You are correct, you cannot add a namespace folder to the path. If you try MATLAB issues a warning.
addpath(fullfile(pwd, '+mynamespace'))
Warning: Namespace directories not allowed in MATLAB path: /tmp/+mynamespace
But you could import the namespace then run the script without the namespace name. Normally I don't like calling import with a wildcard (it could break your code if someone else adds something to the namespace without your knowledge that will take precedence over something you call) but given that I created the namespace specifically for this example it's okay in this case.
import mynamespace.*
myscript2127936
hello

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