How to resolve a relative directory path to canonical path in MATLAB/Octave

Question

It happens that your application encounters a directory path that is relative to current folder or uses double dot for navigation, e.g. C:\A\B\..\C. This obviously is equivalent to the canonical path C:\A\C. How can one resolve the path to its canonical form?

Werner · Accepted Answer · 2013-08-23 16:25:16Z

8

This one uses the java io interface:

jFile=java.io.File(iPath);
oPath=jFile.getCanonicalPath;

It wouldn't need to change matlab's directory. It has other useful methods that may be found here.

edited Aug 23, 2013 at 16:25

answered Aug 23, 2013 at 6:17

Werner

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Mohsen Nosratinia · Accepted Answer · 2013-08-23 06:08:33Z

4

The simplest way I know to convert a path to its canonical form is using cd command:

oPath = cd(cd(iPath));

Note that this would fail if the path does not exist on your file system.

answered Aug 23, 2013 at 6:08

Mohsen Nosratinia

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Biggy S. · Accepted Answer · 2017-02-13 14:22:16Z

0

Another way of doing it, without potentially throwing an exception, is using the what command:

pathInfo = what(iPath);
if ~isempty(pathInfo)
    iPath = pathInfo.path;
end

answered Feb 13, 2017 at 14:22

Biggy S.

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