Extract fields from structure
显示 更早的评论
Hello,
I have a structure A that includes 2 structures, B and C. I want to extract from structure "C" , to the workspace, specific fields that start with certain set of letter, i.e I want to extract fields that start wih XX_YY.
I did
S=[A.C(:)]; save('param.mat','-struct','S');
But the file takes forever to load to the workspace.
Thanks in Advance!
3 个评论
Dyuman Joshi
2022-8-14
Is it necessary to save the file? (Might be for any computation after the extraction, I presume)
Samy Alkhayat
2022-8-15
Dyuman Joshi
2022-8-15
It is, as the answers below show
采纳的回答
A.C.XX_YY1 = 5;
A.C.XX_YY2 = 10;
A.C.ZZ = 3;
B = A.C;
F = fieldnames(B);
X = startsWith(F,'XX_YY');
B = rmfield(B,F(~X))
2 个评论
Samy Alkhayat
2022-8-15
编辑：Samy Alkhayat
2022-8-15
Stephen23
2022-8-15
"any way to put the fields inside "B" into the workspace directly?"
更多回答（1 个）
S.C.XX_YY1=5;
S.C.XX_YY2=10;
S.C.ZZ=3;
f=fieldnames(S.C);
I=startsWith(f,'XX_YY');
f=string(f(I));
for fI=string(f(I))'
Extraction.(fI)=S.C.(fI);
end
Extraction
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