cannot find files error

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Donal Walsh 2023-3-11

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https://ww2.mathworks.cn/matlabcentral/answers/1927015-cannot-find-files-error

评论： Walter Roberson 2023-3-11

I'm being asked to carry out analysis on images withing a dataset called ImageDatasets specifically looking at a folder withing this folder called DATASET 1. I'm using the code below yet it gives me the error saying it cannot find the files. I have taken this path directly from my computer so I don't understand why it cannot find the files. All files in dataset 1 are .jpg images.

imds = imageDatastore('C:/Users/donal/Desktop/ImageDatasets/DATASET 1/*.jpg');

Can anyone help me understand where I'm going wrong?

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Walter Roberson 2023-3-11

在 MATLAB Online 中打开

To debug

location = 'C:/Users/donal/Desktop/ImageDatasets/DATASET 1/*.jpg';
pieces = strsplit(location, '/');
numpieces = length(pieces);
last_valid = 0;
for K  = 1 : numpieces
    sofar = fullfile(pieces{1:K});
    dinfo = dir(sofar);
    if isempty(dinfo); break; end
    last_valid = K;
end
if last_valid == 0
    fprintf('NOTHING in the path was found, not even the hard disk!\n');
else
    fprintf('found up to "%s"\n', sofar);
    if last_valid == numpieces
        fprintf('which is the entire path\n');
    else
        fprintf('but not "%s"\n', pieces{last_valid+1});
    end
end