Delete fields of struct based on starting characters

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Timon Rayis
Timon Rayis am 26 Feb. 2020
Kommentiert: Timon Rayis am 26 Feb. 2020
Hello everyone. I have a struct called temp which has 5 fields
I want to delete all the fields starting with 'fig' and 'ax'. The final output struct should look something like
I know that we can do it in a complex way using fieldnames and rmfield with multiple lines of code.
Is there any simple way to do this? Thanks in advance.

Akzeptierte Antwort

Guillaume am 26 Feb. 2020
Bearbeitet: Guillaume am 26 Feb. 2020
You do have to use fieldnames and rmfield indeed. It's only two lines and not complicated at all:
fns = fieldnames(temp);
temp = rmfield(temp, fns(startsWith(fns, {'fig', 'ax'})))
edit: However, note that if you're trying to remove all the graphics objects from your structure a more reliable method would be:
fns = fieldnames(temp);
temp = rmfield(temp, fns(cellfun(@(fn) ishghandle(temp.(fn)), fns)));
  2 Kommentare
Image Analyst
Image Analyst am 26 Feb. 2020
If you need more help, attach temp in a .mat file using the paper clip icon, so we can work with it
save('answers.mat', 'temp'); % Save temp to a file on disk.
Timon Rayis
Timon Rayis am 26 Feb. 2020
Thank you so much.

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