MATLAB: How to access data set from different folders

.datfile access

I can easily access .dat files from the current directory by using the following codes:
%% Input data set
load ProcMacMatrix.dat   % load the file




load SuppMacMatrix.dat   % load the file
load CostMatrix.dat   % load the file
load Dataset.dat   % load the file
load ProcessingTime.dat   % load the file
My problem needs to access the similar data set, as described, from the Instance1 and Instance2. First, I want to access from the Instance1 and then Instance2. We may use for loop to access these two folders subsequently.
How can i do that?
I appreciate your help.

Best Answer

finfo = dir('Instance*');
finfo(~[finof.isfolder]) = [];
foldernames = {finfo.name};
ninst = length(foldernames);
instance_data(ninst) = struct();
for K = 1 : ninst
    thisfolder = foldernames{K};
    instance_data(K).ProcMacMatrix = load(fullfile(thisfolder, 'ProcMacMatrix.dat'));   % load the file
    %and similar for the other files
end
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