File in use error, fclose not enough?

Question

Wim 2014-5-13

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https://ww2.mathworks.cn/matlabcentral/answers/129459-file-in-use-error-fclose-not-enough

回答： Star Strider 2014-5-13

Hello,

I have the following problem. My plan was to write a txt file in matlab. This file contains the data to open in another program for controlling a robot.

    fid = fopen('filename','wt');
    for (i=1:amount)
            fprintf(fid, '%s\n',my_cell{i});
    end 
    fclose(fid)

When I run the file I want to be able to open the file in that other program. But it says 'file in use'. Is there a way to avoid this? Apparently fclose(fid) is not enough..

Thanks!

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Walter Roberson 2014-5-13

Is it possible that you had fopen()'d it without fclose() in a run that error'd? If so then it would still be open. Have you tried exiting MATLAB and then trying?

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