matalb輸出至txt

在fopen裡用wt要将fopen、fclose放在循環外，每執行一次fopen\fclose可以重新整理輸出的eye.txt。

在fopen裡用at要将fopen、fclose放在循環内，每次執行程式繼續上次的eye.txt，繼續寫。

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

clear;

clc;

mainpath = 'D:\Album2';

dirname = fullfile( mainpath, '*.jpg' );

subdir =  dir( dirname );   

fid = fopen('D:eye.txt', 'wt');

for i = 1 : length( subdir )

    imagepath = fullfile( mainpath, subdir( i ).name);

    x=load(imagepath);

    xeye=[x(11,:),x(12,:)];

    %txt輸出

    fprintf(fid, '%s %5.4f %5.4f %5.4f %5.4f\n', imagepath, xeye);

end

fclose(fid);

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

clear;

clc;

mainpath = 'D:\Album2';

dirname = fullfile( mainpath, '*.jpg' );

subdir =  dir( dirname );   

for i = 1 : length( subdir )

    imagepath = fullfile( mainpath, subdir( i ).name);

    x=load(imagepath);

    xeye=[x(11,:),x(12,:)];

    %txt輸出

    fid = fopen('D:eye.txt', 'at');

    fprintf(fid, '%s %5.4f %5.4f %5.4f %5.4f\n', imagepath, xeye);

    fclose(fid);

end