save in a new file using 'save' command

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aditi
aditi 2020-8-8
编辑： Stephen23 2024-11-4，10:53
I have a program which I am applying on 50 files. I want to now save output for everytime I run the program in a new file.
Currently, I am using "save outfile er2 -ascii"
But everytime program runs it replaces outfile with the current output parameters. But I want in a new file i.e. I want a file for every run of program.
Please help me out
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aditi
aditi 2020-8-8
Thanks for your reply. Could you please explain a little bit. I am somewhat new to MATLAB SO it will be really helpful.

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Stephen23
Stephen23 2020-8-8
编辑：Stephen23 2024-11-4，10:53
If your function is called in a loop then follow the examples here:
https://www.mathworks.com/help/matlab/import_export/process-a-sequence-of-files.html
If your function is not called in a loop then you could download my FEX submission nextname:
https://www.mathworks.com/matlabcentral/fileexchange/64108-next-available-filename
and use it something like this:
D = 'absolute/relative path to the directory where the files are to be saved';
F = nextname(D,'outfile<01>.mat',true);
save(F,'er2')
It will ensure that the filename is unique and unused each time you save the data.
I don't recommend using save for writing text files. For writing text files you should use a more appropriate function:
https://www.mathworks.com/help/matlab/text-files.html

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