Changing the ASCII sort order format?

Question

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I use

S = orderfields(S1)

to sort order fields of strucutre array. I have 10 files named 1.jpg, 2.jpg upto 10.jpg. After using orderfiled the result is: 1.jpg, 10.jpg, 2.jpg, ...., 9.jp

I need to have 10 after 9. Any idea?

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Answer 1

Walter Roberson 2019-11-2

1 个投票

struct arrays cannot have fields with those names -- only table objects can have fields with those names (R2019b onwards only.) Therefore the question is not relevant. You need to sort contents not field names. I discussed how to sort contents in response to your previous related question https://www.mathworks.com/matlabcentral/answers/488816-sort-the-dir-loaded-files

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Zeynab Mousavikhamene 2019-11-2

@ Walter Roberson Thanks a ton Walter. Why struct arrys cannot have fields with those names? I am having struct array with those names and it looks ok just having problem with their sorting style.

Stephen23 2019-11-2

"Why struct arrys cannot have fields with those names?"

The MATLAB documentation states "Field names, like variable names, must begin with a letter, can contain letters, digits, or underscore characters, and are case sensitive"

https://www.mathworks.com/help/matlab/matlab_prog/generate-field-names-from-variables.html

Your names start with digits (not a letter as the documentation requires) and contains a period character (not a permitted character).

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