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Exporting results from the command line with no access to desktop app. Modifying Security preference 'File system access'.
Posted 2025/01/25 1:21 JST General Version 5.6 1 Reply
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I am trying to run a COMSOL method on my university's super computer, so I only have access to COMSOL via the command line. My method does the following:
model.study("std1").run();
model.result().export("data1").run();
And I am executing this on the command line with
comsol batch -inputfile iso_sym.mph -methodcall methodcall1
model.study("std1").run(); seems to be executing just fine. But I get the following error when running model.result().export("data1").run();:
AccessControlException: Security preference 'File system access' does not allow 'write' access to ...
So, I think I need to change Security preference 'File system access' to allow write to all files, but how do I do that from the command line?
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I have not tested this suggestion myself, but I think using the following line:
security.external.filepermission=full
in the preferences file (comsol.prefs) should do the trick. You can specify where to have your customized preferences file using the command line option -prefsdir <path>.
Henrik Sönnerlind
COMSOL