how can I appropriately get a for loop to extract wav files to sub folders(directories)??

My currrent issue is trying to take a folder with 40 .wav files, (10s clips for each instrument that add up to 40s total)

but all are labeled, "01_composer_basson", "01_composer_violin"......"02_composer_basson"....and so on

I cannot seem to write a for loop properly to get all the 10s clips for each .wav into each of their own directories.

I can then break them up and anaylize them by cattinizing them.

How can i fix my loop so i can get each instrument .wav file to the directory?

i have this so far, i apologize in advanced for my lack of matlab skills!

%extracts the audio files from the main folder and puts them into folders
%based on their name.....

function [] = AudioExtract()

File = ls('\\users\audio_stems\');
%folders for seperate instruments
mkdir Basson
mkdir Saxphone
mkdir Clarinet
mkdir Violin
% the original folder all the files are in has 40 .wav files
%10 for each instrumnet

for i=1:42
    % first reaults are a . then a ..( 
    
    if(File(i,3) ~= '_')
        continue
    else
        if mod(i,3)==0
            disp('.');
        end
    if (strfind(File(1,:), 'basson') ~= 0)
        Intsrument = 'Basson';
    
  
    else
        (strfind(File(1,:), 'clarinet') ~=0);
        Intrsrument = 'Carinet';
    
       if (strfind(File(1,:), 'saxaphone') ~= 0)
        Instrument='Saxaphone';

Answer 1

[Jan]

List = dir('\\users\audio_stems\*.wav');
%folders for seperate instruments
mkdir Basson
mkdir Saxphone
mkdir Clarinet
mkdir Violin
for k = 1:numel(List)
    Name = List(k).name;
    if contains(Name, 'bassson')
        Intsrument = 'Basson';
    elseif contains(Name, 'clarinet')
        Intsrument = 'Basson';
    ... etc    
    end
    
    movefile(Name, fullfile(Instrument, Name));
end

[morgan mcvay]

awsome! thanks for response my freind!

youve helped me alot on this and other questions!!

[Turbulence Analysis]

Hi Jan,

I got stuck with similar kinda problem.

I intend to read images placed inside folder and subfolder within a for loop.. Could you please help me out...

For e.g, the first part of code needs to read image from folder named 'A' and second part needs to read from subfolder 'A1'. And both got different image formats.

I tried something similar like this, but this works only for the curret directory, not with the subfolder.

myFolder = 'D:\FolderA';

if ~isfolder(myFolder)

errorMessage = sprintf('Error: The following folder does not exist:\n%s\nPlease specify a new folder.', myFolder);

uiwait(warndlg(errorMessage));

myFolder = uigetdir();

if myFolder == 0

return;

end

end

filePattern = fullfile(myFolder, '*.jpg');

theFiles = dir(filePattern);

%%%%%%% Needs to be read from folder A
for f = 1:1:length(theFiles)
    if (f>=1) && (f<=9)
        fname_strt = 'B0000' ;
    elseif (f>=10) && (f<=99)
        fname_strt='B000';
    elseif (f>=100) && (f<=999)
        fname_strt='B00';
    else
        fname_strt='B0';
    end
    fname_end = num2str(f);
    fname = strcat(fname_strt,fname_end,'.jpg');
    I=imread(fname);
G = imagesc(x,y,flipud(I));
G.AlphaData = 0.5;
hold on;

%%%%%%% Needs to be read from subfolder A1
   
    if (f>=1) && (f<=9)
        fname_strt = 'B0000' ;
    elseif (f>=10) && (f<=99)
        fname_strt='B000';
    elseif (f>=100) && (f<=999)
        fname_strt='B00';
    else
        fname_strt='B0';
    end
    fname_end = num2str(f);
    fname = strcat(fname_strt,fname_end,'.bmp');
    h=readimx(fname);
H1 = imagesc(flipud(h));
H1.AlphaData = 0.5;
axis equal
hold on;
end

[Jan]

Please open a new thread for a new question. Discussing solutions is the section for comments of another problem is not useful.

Remark: Replace

    if (f>=1) && (f<=9)
        fname_strt = 'B0000' ;
    elseif (f>=10) && (f<=99)
        fname_strt='B000';
    elseif (f>=100) && (f<=999)
        fname_strt='B00';
    else
        fname_strt='B0';
    end
    fname_end = num2str(f);    

by

    fname_end = sprintf('B%05d', f)    

But instead of creating the names of the files manually, why not using the names stored in theFiles ?

[morgan mcvay]

The for loop that you suggested I use is very effiecent and works.

However it is only making folders for each instrument(which I do want), but none of the wav files for those instruments are getting moved there.

Should I not run it as a function?

I took the 'basson' under the clarinet elseif statment as a typo.....

Thanks again.

[Turbulence Analysis]

Thanks, Jan.

I have opned a new thread.. Below is the link..

https://www.mathworks.com/matlabcentral/answers/670713-read-files-from-folder-and-subfolder

[morgan mcvay]

Nevermind, I had my path incorrect for were the dir was searching.......rookie mistake, it returned a 40x1 struct!

Thanks again