How to remove empty line from struct?

56 次查看（过去 30 天）

显示更早的评论

Mira le 2021-8-17

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1413347-how-to-remove-empty-line-from-struct

回答： Walter Roberson 2023-5-16

Hello every one

I have struct D with two fields: index

sequence [ ]

D :

1 [1 2 4 5]

[] []

3 [1 2 4 5]

4 [1 2 3 5]

I want to remove the empty line from D and become

1 [1 2 4 5]

3 [1 2 4 5]

4 [1 2 3 5]

thank you

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

回答（2 个）

Walter Roberson 2023-5-16

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1413347-how-to-remove-empty-line-from-struct#answer_1236659

mask = cellfun(@isempty, {D.index}) & cellfun(@isempty, {D.sequence});
D = D(~mask);

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

Yazan 2021-8-17

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1413347-how-to-remove-empty-line-from-struct#answer_768927

D.f1 = [1 2 3 4 5];
D.f2 = [];
% structure with 2 fields
D
D = struct with fields:
    f1: [1 2 3 4 5]
    f2: []
% get fields
fields = fieldnames(D)
fields = 2×1 cell array
    {'f1'}
    {'f2'}
% remove empty fields
D = rmfield(D, fields(structfun(@isempty, D)))
D = struct with fields:
    f1: [1 2 3 4 5]