create a file browser that filters for.mat files in matlab

To create a file browser that filters for .mat files in MATLAB, you can use MATLAB's built-in file dialog box which can be modified to filter for specific file extensions.

Here's an example code snippet that creates a GUI with a file browser and filters for .mat files:

main.m
% Create a file dialog box that filters for .mat files
[file, path] = uigetfile('*.mat', 'Select a .mat file');

% Check if the user clicked the cancel button
if isequal(file,0)
    disp('User selected Cancel');
else
    % Load the selected .mat file
    load(fullfile(path, file));
end
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The uigetfile function creates a file dialog box that filters for .mat files using *.mat. The fullfile function is used to combine the file path and name into a single string that can be loaded using the load function.

You can also modify the filter to search for multiple file extensions by separating them with semicolons. For example, to filter for both .mat and .txt files, you can use uigetfile('*.mat;*.txt', 'Select a file');.

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