www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/GetNumberofBytesWrittentoFileExample.m
%% Get Number of Bytes Written to File % Write data to a file and return the number of bytes written. % Copyright 2015 The MathWorks, Inc. %% % Write an array of data, |A|, to a file and get the number of bytes that % |fprintf| writes. A = magic(4); fileID = fopen('myfile.txt','w'); nbytes = fprintf(fileID,'%5d %5d %5d %5d\n',A) %% % The |fprintf| function wrote 96 bytes to the file. %% % Close the file. fclose(fileID); %% % View the contents of the file with the |type| command. type('myfile.txt')