read all text files in a directory

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Shulamit Nussboim 2023-1-12

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https://ww2.mathworks.cn/matlabcentral/answers/1892705-read-all-text-files-in-a-directory

评论： Sajid Afaque 2023-1-17

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Hi,

I' like the code to read all the files in a directory, applying it manually it would have been:

load textfile1.txt
load textfile2.txt
load textfile3.txt
...

Thank you

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Stephen23 2023-1-12

编辑：Stephen23 2023-1-12

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

Use READMATRIX rather than LOAD.

If using DIR you might need to download this too:

https://www.mathworks.com/matlabcentral/fileexchange/47434-natural-order-filename-sort

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回答（2 个）

Sajid Afaque 2023-1-12

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https://ww2.mathworks.cn/matlabcentral/answers/1892705-read-all-text-files-in-a-directory#answer_1147015

编辑：Sajid Afaque 2023-1-16

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try to use the below general approach

data_files=dir_listing(datapath,'*.txt') %reads all text files at the location specified by datapath
for e=1:numel(data_files)
    %read the data from individual files
     fid=fopen(fullfile(datapath,data_files{e}));
     data_1=textscan(fid,'%s','delimiter','\n');
     fclose(fid);
    %then deal however you want to treat the data   
end

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Walter Roberson 2023-1-16

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function files = dir_listing(folder, spec)
 dinfo = dir(fullfile(folder, spec)) ;
 files = {dinfo.name};
end

Sajid Afaque 2023-1-17

Thanks walter. dir_listing would be a seperate function to list the names of all the files of particular format(here text files) from a specified directory

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