Open multiple files in different sub-folders with same starting file name

Question

Damith 2014-5-22

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https://ww2.mathworks.cn/matlabcentral/answers/130724-open-multiple-files-in-different-sub-folders-with-same-starting-file-name

评论： Image Analyst 2014-5-22

Hi,

I have a multiple files I need to read in 39 sub-folders in Home directory. For example:

Home\folder1\Output_1 Home\folder2\Output_2 .. Home\folder39\Output_39

What is the MATLAB function I can use to open all the sub-folders so that I can use importfile function to read all Output files from 1 to 39.

Thanks in advance for the help.

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Answer 1

Azzi Abdelmalek 2014-5-22

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https://ww2.mathworks.cn/matlabcentral/answers/130724-open-multiple-files-in-different-sub-folders-with-same-starting-file-name#answer_137917

编辑：Azzi Abdelmalek 2014-5-22

在 MATLAB Online 中打开

for k=1:39
    f=sprintf('Home\\folder%d\\output_%d',k,k)  
    % read f
end

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Damith 2014-5-22

I did the following but it returns nothing and gives an error message. (See below). Sub_folder name are Pts001, Pts002,...upto Pts0039 so I modified your code. In each sub-folder file names are Output_1, Output_2....upto Output_39. There is no value in f.

addpath('C:<path>\Generated_39');

for k=1:39 f=sprintf('Pts%d\output_%d',k,k); end

Warning: Escape sequence 'o' is not valid. See 'help sprintf' for valid escape sequences.

Thanks,

Image Analyst 2014-5-22

Notice how you use a single backslash and Azzi used a double backslash? It makes a difference. But why not just use a single forward slash instead? It works just fine in Windows - Windows does not require backslashes.

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