Change names of multiple pictures inside a file

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lena kappa
lena kappa 2021-4-20
评论： lena kappa 2021-4-20
Hi everyone, I have 25+ pics in a file named 1,2,3...up to lets say 25 and want to change their names to lets say cat1, cat2,...up to cat25
the next code does indeed change the names but not in the corect order because it reads the images in this way 1,10,11 bla bla 2,20 ... so the images get all messed up,how can i change the names in the corect way ?
a ='C:\Users\nas\Desktop\0.3';
A =dir( fullfile(a, '*.jpg') );
fileNames = { A.name };
for iFile = 1 : numel( A )
newName = fullfile(a, sprintf( '%05d.jpg', iFile ) );
movefile( fullfile(a, fileNames{ iFile }), newName );
end

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采纳的回答

Walter Roberson
Walter Roberson 2021-4-20
a ='C:\Users\nas\Desktop\0.3';
A = dir( fullfile(a, '*.jpg') );
fileNames = fullfile({A.folder}, {A.name});
for iFile = 1 : numel(fileNames)
oldname = fileNames{iFile};
[fold, basename, ext] = fileparts(oldname);
newbase = regexprep(basename, '.*?(\d+)$', 'cat$1')
newName = fullfile(fold, [newbase ext]);
movefile( oldname, newName );
end

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