Uigetdir to pick multiple directories

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Robbie 2011-11-25

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https://ww2.mathworks.cn/matlabcentral/answers/22259-uigetdir-to-pick-multiple-directories

编辑： Stephen23 2024-9-2

I was wondering if anyone knows a simple way how to use uigetdir to select multiple directory paths in a similar way to using uigetfile with 'multiselect','on'

Thanks

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Answer 1

Image Analyst 2011-11-25

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https://ww2.mathworks.cn/matlabcentral/answers/22259-uigetdir-to-pick-multiple-directories#answer_29284

Not that I know of with uigetdir. However it could work if you searched your hard drive for directories and then listed them all in a very wide listbox where the user could click on multiple directory names right from the listbox. You could use genpath() to load up the listbox.

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praveen rai 2024-8-27

编辑：Walter Roberson 2024-8-29

在 MATLAB Online 中打开

I have similar issue but slightly different

I have one folder in that I have 9 subfolder and in every subfolder one csv file is there

Objective is --> read all csv file from subfolders and store in cell format in one variable so that i can use in other function

I have tried below code

startingFolder = pwd;
root = uigetdir(startingFolder);
allSubfolders = genpath(root)
subFolders = regexp(allSubfolders, ';', 'split')
thisSubFolder=[];
for j = 2 : length(subFolders)
    % Get this subfolder.
    for i =1:length(subFolders)
        thisSubFolder{i} = subFolders{j};
    end
    % Get a list of csv files in this subfolder.
    theseFiles{i} = dir(fullfile(thisSubFolder, '*.csv'));
    fprintf('Found %d csv files in %s.\n', length(theseFiles(), thisSubFolder);
    % Some process to use the files.
end

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

I wan tto read like this again all csv file

for i=1:length(theseFiles)
    fprintf(['\n ***Reading File_',num2str(i),'_of_',num2str(theseFiles)),'***\n']);

Stephen23 2024-8-29

编辑：Stephen23 2024-8-29

在 MATLAB Online 中打开

"My aim is click on parent folder --> select all Subfolder --> and atutomatically select csv from each subfolder"

Why do you need to manually "select" the subfolders?

Why do you need to manually "select" the CSV files?

My code lets you select just the the parent folder and it will automatically search all subfolders for all CSV files (no selection of subfolders or CSV files required). It uses READTABLE to import the CSV file content/data into a structure array, which you can access using indexing & fieldnames. Of course you can change READTABLE to something more suitable for your files.

"Implementation with your code is Selecting parent folder --> again selecting each csv"

Nothing in my code requires selecting "each CSV" file (even supports such a functionality).

"popup is coming out everytime to slect csv file"

Nothing in my code will generate a popup (or even supports such a functionality).

I suspect that both of these behaviors are coming from your mystery function CSV.

This code does not make much sense to me:

fprintf(['\n ***Reading File_',num2str(i),'_of_',num2str(S(k).data)),'***\n']); ---> error in this line

What do you expect NUM2STR of the file data to achieve? The FPRINTF format string indicates that you expect it to be a count of the total number of files. That seems very odd and very unlikely that your file contains a count of the total number of files.

fileData=[]; % Why allocate an empty array to fileData?
fileName=[S(k).data]; % Why use superfluous square brackets?
fileData=csv(fileName); %% here only the first file is stored 

How exactly should that code should "store" any file ? A "store" is where you can buy food....

What exactly do you mean by "store":

allocate data to an array using indexing,
export data to a file,
something else...?

What is the function CSV? What does it do?

If you want further help please show the complete code you are working on.

praveen rai 2024-9-2

%%%%%% I am using bsig instead of csv%%%

%%%% bsig can be read using data reader

close all;

clear all;

URL = xxxxx;

P = uigetdir(); % PWD is the default

S = dir(fullfile(P,'*','*.bsig'));

%S = dir(fullfile(P,'*','*.bsig','MultiSelect', 'on'));

for k = 1:numel(S)

F = fullfile(S(k).folder,S(k).name);

S(k).data = uigetfile(F);

end

%% check file data

A =[];

B =[];

for i=1:length(S(k).data)

fprintf(['\n ***Reading File_',num2str(i),'_of_',num2str(S(k).data)),'***\n']);

MatfileData=[];

fileName=[S(k).data];

MatfileData=bsigt(fileName);

RootURL = sprintf('%s.XXXX',URL);

A = MatfileData.readGroup(RootURL);

RootURL = sprintf('%s.YYYY',URL);

B = MatfileData.readGroup(RootURL);

for j= 1:length(e_AlnState)

if ((A(j) == 1 ) || (A(j) == 2))

B(i,:) = rad2deg(a_ElEolMeasHistory(:,j));

median_history(i) = median(B(i,:));

end

file_name_temp(i,:)= string(theseFiles(i));

azi_val(i) = extractBetween(file_name_temp(i,:),'_azi=' ,'_eli=' );

azi_angles(i) = str2num( azi_val(i));

% elv_val(i) = extractBetween(file_name_temp(i,:),'_eli=' ,'_nrun' );

figure(1)

h1 = plot(B(i,:) , 'DisplayName', strcat("azi =", azi_val(i)) );

hold on

grid on

ylabel('heading)')

xlabel('history (1:10)')

title('variation')

legend

end

Stephen23 2024-9-2

编辑：Stephen23 2024-9-2

在 MATLAB Online 中打开

For some reason you replaced the file data importing function with UIGETFILE:

S(k).data = uigetfile(F);

Why bother using DIR if you are just going to call UIGETFILE on every single file? It also causes exactly the problem that you described here.

Solution: get rid of UIGETFILE.

This line is unlikely to be useful, for reasons that have already been explained here:

for i=1:length(S(k).data)

In my code the DATA field contained the imported file data. Nothing in my code indicates that DATA would contain a filename, so it is unclear where your line of code comes from:

fileName=[S(k).data];

Solution:

get rid of things in the code that you do not want (e.g. UIGETFILE on every file, which you added to the code).
write one loop, not two.
something like this (exactly as I described here):

P = uigetdir(); % PWD is the default
S = dir(fullfile(P,'*','*.bsig')); % or '**' if recursive subfolders
for k = 1:numel(S)
    F = fullfile(S(k).folder,S(k).name); % filename
    ... code that imports data from file F
    S(k).data = ... "store" your data here.
end

Or, if you really want to use two loops then go for it. But do not mix up imported data with filenames.

Tip for writing code: do not just write lots and lots and lots of code without testing what it does, otherwise you will have 30/300/3000/... lines of code full of bugs. And no idea how to fix it or where to start debugging. Making lots of random changes is a bad approach to writing and debugging code.

Write one line. Read the documentation for the functions you use on that one line. Test that one line: does it really do what you expect, does it return the data you expect. If you did this, you would not be mixing up file data with filenames, adding 'MultiSelect' to FULLFILE, etc.

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