Rename files: keep only first 5 characters

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ABCDEFG HIJKLMN 2022-3-14

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https://ww2.mathworks.cn/matlabcentral/answers/1671414-rename-files-keep-only-first-5-characters

编辑： Jan 2022-3-14

I have a folder with 250 pictures which I want to rename. The original names are "00XXX.[random numbers]" (with XXX from 001 to 250) and I would like them to simply be named "00XXX", deleting the remaining characters.

Is there an easy way of doing this in a for loop?

Thanks in advance!

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Answer 1

Voss 2022-3-14

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https://ww2.mathworks.cn/matlabcentral/answers/1671414-rename-files-keep-only-first-5-characters#answer_917324

编辑：Voss 2022-3-14

在 MATLAB Online 中打开

You can use movefile() to rename files. Try something like this on a copy of your folder:

pn = 'path\to\your\directory\';
f = dir(fullfile(pn,'*.png')); % get info about all .png files in folder pn, for instance
for ii = 1:numel(f)
    [~,name,ext] = fileparts(f(ii).name);
    movefile(fullfile(pn,f(ii).name),fullfile(pn,[name(1:5) ext]));
end

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ABCDEFG HIJKLMN 2022-3-14

This worked perfectly, thank you for the help!

Voss 2022-3-14

You're welcome! Glad it worked

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Answer 2

Jan 2022-3-14

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https://ww2.mathworks.cn/matlabcentral/answers/1671414-rename-files-keep-only-first-5-characters#answer_917314

编辑：Jan 2022-3-14

在 MATLAB Online 中打开

Folder = 'C:\Your\Folder';
List   = dir(fullfile(Folder, '*.*'));
List([List.isdir]) = [];   % [EDITED] remove folders
for k = 1:numel(List)
    Name   = List(k).name;
    Source = fullfile(Folder, Name);
    Dest   = fullfile(Folder, strtok(Name, '.'));
    [Succ, Msg] = movefile(Source, Dest, 'f');
    if Succ == 0
        error(Msg);
    end
end

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ABCDEFG HIJKLMN 2022-3-14

编辑：ABCDEFG HIJKLMN 2022-3-14

Thank you for your answer. Unfortunetely, it doesn't seem to work. I get the following error: Cannot copy or move a file or directory onto itself.

Jan 2022-3-14

Then some of the files in this folder do not match the naming scheme "00XXX.[random numbers]". Maybe "." and ".." are the problem. I've updated the code, but if the other answer is working, stay at it.

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