Printing to text file

Question

Edward Umpfenbach 2012-8-25

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https://ww2.mathworks.cn/matlabcentral/answers/46696-printing-to-text-file

Pretty simple. I want to print this to a text file:

but instead I am getting this:

41234

Here's my code:

z = 4;
fid = fopen([mnl_data_path, 'packages.txt'], 'w');
a = num2str(z);
fprintf(fid,'%s\n',a);
for j = 1:1:z
    a = num2str(j);
    fprintf(fid,'%s\n',a);
end
fclose(fid);

Why isn't it printing to a new line?

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Answer 1

the cyclist 2012-8-25

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Strange. I get each digit on a separate line, as you intend.

I am using the prerelease of R2012b, on a Mac running OSX 10.6.8.

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Answer 2

Edward Umpfenbach 2012-8-26

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Well I'm not sure what to do. It's definitely updating the file each time (if I change it to z = 5), I see "512345" printed to the text file.

2010a Windows 7

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Answer 3

Edward Umpfenbach 2012-8-26

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Nevermind. When I open with notepad I see "41234". When I open with notepad++, I see

4 1 2 3 4

So I guess it is not Matlab, it is notepad.

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per isakson 2012-8-26

Did you try View | Show Symbol | Show All Characters in notepad++?

Image Analyst 2012-8-27

Try wordpad. I think wordpad and notepad behave differently with regards to how they interpret \n and \r\n. You can know for sure what's there if you have access to an editor that can view in hex format.

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