How to save data in a file without deleting old data
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Hello,
I need to write a function that takes multiple inputs and then save the result in another file (let's call it savefile.M). However, I want to use the same function for another set of data and save the result in savefile.M without deleting the results obtained previously.
Thank you
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回答 (1 件)
Ameer Hamza
2020 年 3 月 29 日
If it is a text file than you can open it is append mode
f = fopen('test.txt', 'a');
fprintf(f, 'This is first line.\n');
fclose(f);
f = fopen('test.txt', 'a');
fprintf(f, 'This is second line.\n');
fclose(f);
It will write new data under the current data.
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