Problem when creating a new class

Hi all, I've created a class "experiment" with the constructor "experiment(obj,folderList)" and the property "folder". I would like the constructor to return an object of length 1 with obj.folder = folderList when the size of folderList is 1, and an object of length n when there are n folders in folderList... with obj(i).folder = folder{i}.

It works fine with one folder in the list, but when I do in the constructor :

for i=1:numel(folderList)
    obj(i).fodler = folderList{i}
end

It seems the constructor calls itself... I guess it's the expected behaviour, as I'm creating a new object each time, but I'm wondering if there is a way to do what I want...

Thanks

Stéphane