Function Writing to a text file

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Caroline 2014-10-12

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https://ww2.mathworks.cn/matlabcentral/answers/158366-function-writing-to-a-text-file

回答： Image Analyst 2014-10-12

I am using a function to produce a madlib in a sense and it has to print to the command window and save to a text file. It prints fine to the command window but isn't saving to the text file and no error is showing up. This is what I have so far.

%open file to save to
fid=fopen('story1.txt','w');
%print to file and command window
fprintf(fid,'madlib',y)
fprintf(1,'madlib',y)
%close file
fclose(fid);

mad lib:this is actually a whole story but its very long

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Answer 1

Image Analyst 2014-10-12

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https://ww2.mathworks.cn/matlabcentral/answers/158366-function-writing-to-a-text-file#answer_154903

在 MATLAB Online 中打开

Try it this way instead, with '%s'

% Open a text file to save the string to.
fid = fopen('story1.txt', 'wt');  % Use wt instead of w
% Print string to the file and command window.
fprintf(fid, '%s\n', y)  % y is a string.  Prints to a file.
fprintf('%s\n', y) % Print to command window instead of a file.
% Close the file;
fclose(fid);