How to get rid of '._' files on a hard disk?

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Shayma Al Ali 2019-11-15

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https://ww2.mathworks.cn/matlabcentral/answers/491320-how-to-get-rid-of-_-files-on-a-hard-disk

回答： Image Analyst 2019-11-16

Hello everyone!

I'm working on analyzing some images with a code, and all my files and matlab codes are running on an external hard disk. I was having trouble running my code until I realized that my files contained a '._' at the beginning. I read online that these are common with mac files that are then read on a windows disk (I believe thats the case). Is there anyway I can overwrite this?

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per isakson 2019-11-15

"Is there anyway I can overwrite this?" Do you want to rename the files? If so, how?

Shayma Al Ali 2019-11-15

I want to get rid of the '._' in the beginning of the file name.

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Answer 1

Walter Roberson 2019-11-15

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https://ww2.mathworks.cn/matlabcentral/answers/491320-how-to-get-rid-of-_-files-on-a-hard-disk#answer_401762

Getting rid of the ._ at the beginning of the name is usually the wrong thing to do. Those files contain extended attributes, not data contents. ._YourFunction.m is not the content of YourFunction.m and instead it is file information about YourFunction.m

https://apple.stackexchange.com/questions/14980/why-are-dot-underscore-files-created-and-how-can-i-avoid-them

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Answer 2

Image Analyst 2019-11-16

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https://ww2.mathworks.cn/matlabcentral/answers/491320-how-to-get-rid-of-_-files-on-a-hard-disk#answer_401839

在 MATLAB Online 中打开

Just skip it

for k = 1 :  numFiles
    thisFileName = allFiles{k}; % Get the full or base file name somehow.
    if startsWith(thisFileName, '._')
        % Skip this file if it starts with dot underline.
        continue; % Jump to the bottom of the loop.
    end
    % Code to process the other files goes here...
end