import to the workspace a .mat file saved in a folder other than pwd

How can I import a .mat file saved in a folder other than pwd to the workspace?

folder = 'C:\Users\Desktop\folder_test';
file = 'test.mat';

Answer 1

[Stephen23]

The recommended approach is to use FULLFILE (and to always LOAD into an output variable):

S = load(fullfile(folder,file))

Why do you imagine that this has changed since last time you asked how to define path strings?:

https://www.mathworks.com/matlabcentral/answers/1984024-add-words-to-the-end-of-a-path#comment_2784804

Answer 2

[Bruno Luong]

folder = 'C:\Users\Desktop\folder_test';
file = 'test.mat';

load([folder filesep() file])