what changes are to be made in the following code to convert all the images in grayscale?

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SHUBHDEEP KAUR
SHUBHDEEP KAUR 2018-9-13
评论： SHUBHDEEP KAUR 2018-9-13
images ='C:\Users\TIET\Desktop\tomato'; jpgfiles=dir(fullfile(images,'\*.jpg*')) n=numel(jpgfiles); idx=randi(n); im=jpgfiles(idx).name im1=imread(fullfile(images,im))

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KALYAN ACHARJYA
KALYAN ACHARJYA 2018-9-13
编辑：KALYAN ACHARJYA 2018-9-13
Code: Call the all image in the folder on by one, convert to grayscale and save it one by one in the mentioned path destination(im1,im2,im3,im4......)
path_directory='folder_name_here'; % 'Folder name'
original_files=dir([path_directory '/*.jpg']); %Note on Image Format
for k=1:length(original_files)
filename=[path_directory '/' original_files(k).name];
image_ogi=imread(filename);
gray=rgb2gray(image_ogi);
destination='D:\folder_name_destinatiomn\im'; %Complete path of the folder
imwrite(gray,[destination,num2str(k),'.png']); %Change the image formta as per desired image format
end
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