Create a filelist with files (ending in _BTcom.mat) from different subfolders (all the subfolders are in the same folder)

HI,

I am trying create a filelist from files in different subfolders. All the files are in the same main folder 'C:\Users\paola\Desktop\MATLAB\20mM-new'. I wrote this but it doesn't really work

folder='C:\Users\paola\Desktop\MATLAB\20mM-new'

d=dir(folder)

subf=d([d.isdir])

for k=1:numel(subf)

subfolder=subf(k).name

subf1=fullfile(folder,subfolder)

f=dir([subf1 '\*_BTcom.mat'])

for ii=1:numel(f)

file=fullfile(subf1,f(ii).name);

end

end

Answer 1

[Thomas Jensen]

Hi Paola,

The best approach to search for files inside subfolders is creating a recursive function.

Tou can check https://nl.mathworks.com/matlabcentral/answers/92761-how-can-i-recursively-process-files-in-subdirectories-using-matlab for more information.

[Thomas Jensen]

Hi Paola,

This script will do what you described.

function my_filelist(folder)

fileList = dir(folder);

for i = 1 : length(fileList)

if ~ismember(fileList(i).name,{'.','..'})

if fileList(i).isdir

my_filelist(fullfile(folder,fileList(i).name));

elseif endsWith(fileList(i).name,'_BTcom.mat')

disp(fullfile(folder,fileList(i).name));

end

end

end

end

[Paola]

Dear Thomas,

Thank you for your answer

Unfortunately the script does not work. It does not create a filelist with the files ending in _BTcom

[Thomas Jensen]

Hi Paola,

Sorry it did not work for you. I tested on Matlab 2017b and it worked fine. The file list is displayed in the command window.

Could you please confirm that you are calling the function my_filelist('C:\Users\paola\Desktop\MATLAB\20mM-new') and what is displayed in the command window?

Best regards,

[Paola]

It doesn't let me call the function my_filelist('C:\Users\paola\Desktop\MATLAB\20mM-new') so I create a variable folder=['C:\Users\paola\Desktop\MATLAB\20mM-new'] and run your script but it displays just the name of the folder. Sorry I am new with matlab