Concatenation of nested cell in one array and writing in text file

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Nazar Adamchuk 2021-4-26

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/813535-concatenation-of-nested-cell-in-one-array-and-writing-in-text-file

编辑： Jan 2021-4-26

nestedCell.mat

How do I rearrange a 8x1 nested cell into one long cell array (variable attached). Each (from 8) cell includes 2x1 cell. My goal is twofold:

saving the of the 8x1 nested cell in a cell array
writing the unnested cell array to a text file

Thanks!

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Answer 1

Jan 2021-4-26

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/813535-concatenation-of-nested-cell-in-one-array-and-writing-in-text-file#answer_685120

在 MATLAB Online 中打开

Data = load('nestedCell.mat');
C = cat(2, Data.nestedCell{:});
FID = fopen('YourFile.txt', 'w');
fprintf(FID, '%-8s%g\n', C{:});
fclose(FID)

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Nazar Adamchuk 2021-4-26

在 MATLAB Online 中打开

fprintf(FID, '%-8s%g\n', C{:});

I understood everything except this part: '%-8s%g\n'. What does 8 mean? If it means the number of cells in the original nested array, how I can change my code in case if do not know how many cells the nested array conatins.

Jan 2021-4-26

编辑：Jan 2021-4-26

在 MATLAB Online 中打开

Try it:

fprintf('*%-8s*\n', 'asd')
*asd     *
fprintf('*%8s*\n',  'asd')
*     asd*

The 8 is the number of chars reserved for the output. With - the string is moved to the left, without - to the right. So this is only to have a nice formatted output. See:

doc fprintf

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