Error on saving .fig files

Question

Susan 2023-4-10

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编辑： Susan 2023-4-12

Hi All,

I have a nested for loop, and at the very last for loop, I plot the data and save them as a ".fig" in a folder. It works well for the first 7 figs but then gives me the error saying, "The file could not be closed and might now be corrupt." I ensure to close each figure after saving them out and don't get what this error is about. Any help would be appreciated.

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Answer 1

Praveen Reddy 2023-4-12

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Hi Susan,

I understand that you are encountering an error while trying to save plotted data in every iteration of a “for” loop as .FIG files in a directory . You can create a figure window before the for loop and make sure you clear the plot after saving the figure in each iteration. Attaching simple code snippet for your reference.

h=figure; 
for i=1:5
    x=linspace(i,i+10);
    y=linspace(i+20,i+30);
    plot(x,y);
    saveas(h,sprintf('FIG%d.fig',i)); % will create FIG1, FIG2,...
    clf(f);
end

The error you are facing could also be due to character encoding, which can be resolved in preferences. Go to Home>Preferences>General>MAT-Files and make sure that you have chosen “Version 7.0 or later” or “Version 7.3 or later”.