Converting multiple cells to an equivilent character vector defining the original array

Question

Jessica Hiscocks 2018-12-25

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https://ww2.mathworks.cn/matlabcentral/answers/437201-converting-multiple-cells-to-an-equivilent-character-vector-defining-the-original-array

评论： Jessica Hiscocks 2018-12-26

As part of an app, I need to use a cell array containing characters to generate a string of text that when pasted in the command window would generate the original cell array as a variable.

input example: the 1×4 cell array named 'legText' with the below contents.

{'Indexed'} {'Forsterite'} {'Enstatite'} {'Diopside'}

Desired output (as a character vector)

legText={'Indexed','Forsterite','Enstatite','Diopside'};

I've been doing this by appending to a character vector in a loop without preallocation, but this is pretty inefficient. Is there a better method?

Thanks, Jessica.

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Answer 1

Walter Roberson 2018-12-25

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https://ww2.mathworks.cn/matlabcentral/answers/437201-converting-multiple-cells-to-an-equivilent-character-vector-defining-the-original-array#answer_353883

在 MATLAB Online 中打开

fprintf('legText = cellstr(%s);\n', mat2str(string(legText)))

or

fprintf('legText = {'); fprintf('''%s'',', legText{:}); fprintf('};\n');

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Jessica Hiscocks 2018-12-26

Thank you, this got me 95% of the way there! It turned out that using the second option, changing to sprintf, and concatenating was the answer- the final comma does not affect the output

code:

temp=[sprintf('legText = {'), sprintf('''%s'',', legText{:}), sprintf('};')];

output:

legText = {'Indexed','Forsterite','Enstatite','Diopside',};

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