Saving data using save as function

Question

Rohit Bhoi 2015-11-10

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https://ww2.mathworks.cn/matlabcentral/answers/254035-saving-data-using-save-as-function

回答： Walter Roberson 2015-11-10

I havae one DAQ GUI in which I am taking some reading and saving in one file using dlmwrite() function, but each and every time data get over-right in same file and I want separate file each time, So how can I provide a separate push button as saveas? how to use save as() function.. please do me help

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Answer 1

Walter Roberson 2015-11-10

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https://ww2.mathworks.cn/matlabcentral/answers/254035-saving-data-using-save-as-function#answer_199179

在 MATLAB Online 中打开

For example:

   for K = 1 : 15
     filename = sprintf('Output_%02d.jpg', K);
     surf( rand(5,5) );   %some plot
     drawnow();
     saveas(gca, filename)
   end

That is, you can compute the filename that you pass to saveas(). In the above example, %02d means to output as an integer of at least two digits using leading 0's if needed to make two digits -- so 01 then 02 then 03 ... 09 then 10 then 11 and so on.