persistence of path when using mfilename
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I have a script within a subfolder which is trying to reference the parent directory (two levels up), but am getting some unexpected behavior:
function varargout = myfun(varargin)
...
[myDir,~,~] = fileparts(mfilename('fullpath')); %this function directory
mainScriptDir = fullfile(myDir,'..','..'); %main script directory
...
%end myfun.m
end
the first time I run this I get something like
myDir = ...\parentDir\sub1\sub2 (myfun is located in sub2)
and the main script directory is '...\parentDir\..\..' which would be what I expect.
Subsequent calls yield:
myDir = ...\parentDir\sub1\sub2\..\..\sub1\sub2
myDir = ...\parentDir\sub1\sub2\..\..\sub1\sub2\..\..\sub1\sub2
etc.
Why does the path persist and continue to append with subsequent calls? Shouldn't the myfun workspace reset with each call? Is there a function I need to call to reset this behavior when using relative paths?
Thank you for your help!
Brian
3 Commenti
Risposte (1)
Image Analyst
il 3 Ago 2018
You aren't calling cd() in your program anywhere are you?
2 Commenti
Image Analyst
il 4 Ago 2018
I wouldn't. And you'll probably have to attach the script that demonstrates the problem, because it doesn't make sense.
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