How to store a data of a structure into a text file.

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priyanka
priyanka 2015-1-12
评论： Walter Roberson 2021-6-11
I have created a structure in which 4 variables are defined. How to store the values of structure into a text file.

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采纳的回答

Geoff Hayes
Geoff Hayes 2015-1-13
Priyanka - if you just want to write the structure to file, then just try using fopen to open the file, fprintf to write the data (each of the four variables) to file, and fclose to close the file.

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samesu naq
samesu naq 2018-12-10
s1.name = 'fred';
s1.age = 42;
s1.height = 170;
s1(2).name = 'alice';
s1(2).age = 29;
s1(2).height = 160;
fileID = fopen('use of structure .txt','a');
fprintf(fileID, 'Missile # :%s \n', s1.name);
fprintf(fileID, 'Operator Name :%s \n', s1.age);
fprintf(fileID, 'Operator Name :%s \n', s1.height);
fprintf(fileID, 'Missile Type :%s \n', s1(2).name);
fprintf(fileID, 'Missile ID :%s \n',s1(2).age);
fprintf(fileID, 'Container Number :%s \n', s1(2).height);
fclose(fileID);
simply fprintf is not write structure variable in text file
Error occur ''Scalar structure required for this assignment.
Error in Untitled (line 36)
s1.name = 'fred';''
  1 个评论
Walter Roberson
Walter Roberson 2021-6-11
编辑：Walter Roberson 2021-6-11
s1(1).name = 'fred';
s1(1).age = 42;
s1(1).height = 170;
s1(2).name = 'alice';
s1(2).age = 29;
s1(2).height = 160;
fileID = fopen('use of structure .txt','a');
fprintf(fileID, 'Missile # :%s \n', s1(1).name);
fprintf(fileID, 'Operator Name :%s \n', s1(1).age);
fprintf(fileID, 'Operator Name :%s \n', s1(1).height);
fprintf(fileID, 'Missile Type :%s \n', s1(2).name);
fprintf(fileID, 'Missile ID :%s \n', s1(2).age);
fprintf(fileID, 'Container Number :%s \n', s1(2).height);
fclose(fileID);

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