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How to create file names in certain format?

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Kelly Howard
Kelly Howard 2016-1-9
评论： Kelly Howard 2016-1-9
hi guys, i would like to ask for example there are 49 files, i would like to name the file in certain format such as 001, 002 to 049. keep it in 3 digit long?

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Stephen23
Stephen23 2016-1-9
You can use sprintf and specify the required length and leading zeros:
for k = 1:49
name = sprintf('myfile_%03d.txt',k)
end
http://www.mathworks.com/matlabcentral/answers/57446-faq-how-can-i-process-a-sequence-of-files

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