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keep few images and delete the rest in a folder

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Suppose I have 10 images, and i have saved all the pathname and filename in a variable all_files
I have a vector b = [ 2 4 6 ];
Now I want to keep only these images and delete all the other 7 images
How to keep those images and delete the rest?

Accepted Answer

Walter Roberson
Walter Roberson on 4 Aug 2022
dels = setdiff(1:length(all_files), b);
arrayfun(@(idx)delete(all_files{idx}), dels);

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