How do I change the name of a file inputted to a function in MATLAB?

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Samyukta Ramnath 2013-6-13

0
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https://ww2.mathworks.cn/matlabcentral/answers/79019-how-do-i-change-the-name-of-a-file-inputted-to-a-function-in-matlab

I want to input a text file to a function, and after running the function, want to change the filename to a specific thing, depending on the results of the function. For example, if the function classifies the folder as belonging to History, I want to rename the text document to History1, if another test file gets classified as belonging to topic history, I want it to be renamed as History2, and so on, and placed in a specific folder.

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Jan 2013-6-14

Ok. What have you tried and which problems have occurred?

Samyukta Ramnath 2013-6-14

在 MATLAB Online 中打开

I did use the copyfile and thought that I could use a persistent variable, so that each time the function runs, if the file was classified as History, then the persistent variable var_hist would be incremented. But I don't know how to save the name as History1, History2 etc. by incrementing the number every time it is classified as History.

if true
  if Prob_Hist(1) == max(Prob)
      disp('History');
      var_hist = var_hist + 1;
      copyfile('InputFile.txt','new_name.txt'); 
  end
end