what does . and .. refer to

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Matlab works
Matlab works 2020-1-26
评论： Image Analyst 2020-1-27
for i = 1:size(TrainFiles,1)
if not(strcmp(TrainFiles(i).name,'.')|strcmp(TrainFiles(i).name,'..')|strcmp(TrainFiles(i).name,'Thumbs.db'))
Train_Number = Train_Number + 1; % Number of all images in the training database
name{Train_Number}=TrainFiles(i).name;
end
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Walter Roberson
Walter Roberson 2020-1-26
User completely changed the question. However, the revised question is valid in itself.

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回答（2 个）

Image Analyst
Image Analyst 2020-1-26
It's checking to make sure that the file is not the current folder (dot) or a link to the parent folder (dot dot).
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Walter Roberson
Walter Roberson 2020-1-26
I would use
allFileNames = fullfile(yourImageFolder, {fileStructure.name});
Image Analyst
Image Analyst 2020-1-27
Yes. Or you could even use imDatastore().

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Steven Lord
Steven Lord 2020-1-26
For the operating systems on which MATLAB is supported, . refers to the current directory and .. the parent directory, as stated on this Wikipedia page.

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