Error with movefile function: argument must contain a string

Question

Heather Riley 2019-9-6

0
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https://ww2.mathworks.cn/matlabcentral/answers/479143-error-with-movefile-function-argument-must-contain-a-string

回答： Walter Roberson 2019-9-6

I am trying to use the movefile(filename, directory_pathway) function to move an image file into a different folder. I am using Matlab R2014a. When I run my program I get the following error: Argument must contain a string.

Here is my code:

function dataset_randomisor()
% Set data path (the folder in which the dataset is currently stored)
data_path = 'E:\20190618-f1\images_extracted_from_zebrafish_movies\20190618-f1_10-27-56';
training_dataset_path = 'E:\20190618-f1\images_extracted_from_zebrafish_movies\training_dataset';
% Find images
images = dir(data_path);
% Randomly select 100 images
for k=1:100
    img_index = randi(length(images));
    random_image = images(img_index);
    images(img_index) = []; % remove the selected image so that it doesn't get selected twice
    movefile({random_image.name},training_dataset_path);% move the selected image to the training dataset
end
end