How to generate sequenced file names with file extensions?
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What's the best way to generate sequenced file names with file extensions. The format I'm looking for is something along the lines of 'pcimage' + '0001' + '.h5', so the resulting names would be 'pcimage001.h5', 'pcimage002.h5', ..., 'pcimage2401.h5', ... etc. I was trying the following code, but because the leading 0s would change between 9 and 10 it throws an error. I could see doing it with an if statement that determines the number of digits of i, but i'd prefer a more elegant solution if one exists. Thanks for any help!
for i = 1:1:10 filename(i,:) = strcat('pcimage00', num2str(i), '.h5') end
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Greg
2018년 8월 1일
편집: Greg
2018년 8월 1일
See the documentation for num2str to find the formatSpec input option. Then, your code simply becomes:
for i = 1:1:10
filename(i,:) = strcat('pcimage', num2str(i,'%04d'), '.h5');
end
In R2016b and later, this can be done without the loop:
filenames = compose('pcimage%04d.h5',1:5)'; % for cellstr output
filenames = compose("pcimage%04d.h5",1:5)'; % for string output
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