Error in path, although it "exists"

Question

Claes Olsson 2019-1-24

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https://ww2.mathworks.cn/matlabcentral/answers/441263-error-in-path-although-it-exists

回答： Yash 2025-1-3

Dear Mathworks,

I am running some code that worked fine under r2017a, but now I am on the prerelease 2019a. I want to load a file from a starting directory, that tests OK with "exist", but when I use uigetfile, I get an error message. Any idea? /Claes Olsson

K>> [fNames, fPath, filterNdx] = uigetfile(...
    {'*.raw', 'Bruker *.raw v.3'; ...
    '*.brml', 'Bruker *.brml'; ...
    '*.*', 'All Files'}, ...
    'Open *.raw File', ...
    'G:\Department\SF\Measurement\SESPC16337\2019\1jan\', 'MultiSelect', 'on');

Error using matlab.ui.internal.dialog.FileSystemChooser/PathParser (line 87)

Invalid directory to operate on

Error in matlab.ui.internal.dialog.FileSystemChooser/set.InitialPathName (line 32)

iPath = PathParser(obj,iPath);

Error in uigetputfile_helper (line 52)

ufd.InitialPathName = dialog_pathname;

Error in uigetfile (line 130)

[filename, pathname, filterindex] = uigetputfile_helper(0, varargin{:});

K>> exist('G:\Department\SF\Measurement\SESPC16337\2019\1jan\')

ans =

7

K>> ver
-----------------------------------------------------------------------------------------------------
MATLAB Version: 9.6.0.1011450 (R2019a) Prerelease
MATLAB License Number: Prerelease
Operating System: Microsoft Windows 10 Enterprise Version 10.0 (Build 17134)
Java Version: Java 1.8.0_181-b13 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
-----------------------------------------------------------------------------------------------------
MATLAB                                                Version 9.6         (R2019a)
Image Processing Toolbox                              Version 11.0        (R2019a)
MATLAB Compiler                                       Version 7.0.1       (R2019a)
Optimization Toolbox                                  Version 8.3         (R2019a)

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Jan 2022-12-18

But why was the question raised now?

Steven Lord 2022-12-18

My guess is that someone posted a spam answer or comment (which made this question one of the "Most recently updated" items) and then that spam was deleted.

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Answer 1

Yash 2025-1-3

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Hi Claes,

This works perfectly fine in the final release of MATLAB R2019a. However, I found one mistake in the code shared, the extensions to filter the files should be separated by semi-colon instead of a comma. Given below is the updated code:

[fNames, fPath, filterNdx] = uigetfile(...
    {'*.raw'; 'Bruker *.raw v.3'; ...
    '*.brml'; 'Bruker *.brml'; ...
    '*.*'; 'All Files'}, ...
    'Open *.raw File', ...
    'G:\Department\SF\Measurement\SESPC16337\2019\1jan\', 'MultiSelect', 'on');

If the issue persists for you, please contact MathWorks Technical Support at: https://www.mathworks.com/support/contact_us.html

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Error in path, although it "exists"

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