Read Multiple Files with While Loop

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Daniella Chait 2022-9-20

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https://ww2.mathworks.cn/matlabcentral/answers/1808260-read-multiple-files-with-while-loop

评论： Stephen23 2022-9-20

I have about 20 files that I need to read and manipualte data. How would I write a while loop so that it will read the file, extract data, then continue to read the next file, etc. ?

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Walter Roberson 2022-9-20

Is there a particular reason to use a while loop instead of a for loop?

Stephen23 2022-9-20

"How would I write a while loop so that it will read the file, extract data, then continue to read the next file, etc. ?"

The standard approach is to use a FOR loop:

https://www.mathworks.com/help/matlab/import_export/process-a-sequence-of-files.html

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回答（1 个）

Chunru 2022-9-20

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https://ww2.mathworks.cn/matlabcentral/answers/1808260-read-multiple-files-with-while-loop#answer_1056790

fn = dir("*.dat");          % or your file name pattern
for i=1:length(fn)
    fn_c = fn(i).name       % current filename to be processed
    % do processing for fn_c
       
end