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'String scalar or character vector must have valid interpreter syntax' in waitbar

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I am creating a waitbar where the text includes the path to the file being processed. The path name, ovbiously includes a backslash ('\') character, and this is causing the warning message to be issued: 'string scalar or character vector must have valid interpreter syntax'.
I could write a function to replace every ocurrence of the '\' character with '\\', but is there a way to set the interpreter to 'none' when calling the waitbar function?

Accepted Answer

Walter Roberson
Walter Roberson on 30 Mar 2023
Not directly, but just after you create your waitbar, like
wb = waitbar(0, 'File Name Will Go Here');
you can
wb.Children(1).Title.Interpreter = 'none';
Nothing in the code changes it back.
Or, you could instead use the Default properties, like
prop = 'DefaultTextInterpreter';
old_interp = get(groot, prop);
set(groot, prop, 'none');
wb = waitbar(0, 'File Name Will Go Here');
set(groot, prop, old_interp)
but I recommend the first version instead.

More Answers (1)

Fangjun Jiang
Fangjun Jiang on 30 Mar 2023
What is the issue? I don't have any error message in R2022b.
h=waitbar(0.5,'c:\abc\xyz')

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