MATLAB: Structure Export

exportMATLABstructures

I am trying to do something which I feel is pretty simple. I'm trying to export each of 4 fields from a structure to a .txt file. I'd like the text file to be comma delimited. 3 of my fields are character and 1 is double. Is this a fairly simple thing to do?

Thanks, Brian

Best Answer

Structure, or structure array?

Structure case:

t = struct2cell(S);
fprintf(fid, '%s,%s,%s,%f\n', t{:});

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MATLAB: Read text file with multiple rows of fields

The current best way I know how to do this is with TEXTSCAN.

fmt = "%s%s%s%s%*[^\r\n]%*[\r\n]%s%s%s%s"
fid = fopen('sampleFile.txt')
data = textscan(fid,fmt,1,'Delimiter','\t','HeaderLines',5) % will read two lines at a time.
data = textscan(fid,fmt,1,'Delimiter','\t') % after header

This is just a starting point, you'll have to do some work based on the results you're looking for in the file.

MATLAB: Could someone please explain to me how to take characters from a text file and put it in MATLAB

This code will read in the whole file (well, it works on your sample file):

fid = fopen('MLsensLiftStartexample.txt','rt');
hdr = fgetl(fid);
txt = fgetl(fid);
pos = ftell(fid);
N = numel(regexp(fgetl(fid),'[^\t]+','match'));
fmt = repmat('%s',1,N);
fseek(fid,pos,'bof');
C = textscan(fid,fmt,'Delimiter','\t');
fclose(fid);
C = horzcat(C{:});
N = str2double(C);

Have a look at the variable C: all of the data is there, and the equivalent numeric in N (where appropriate).

Best Answer

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MATLAB: Read text file with multiple rows of fields

MATLAB: Could someone please explain to me how to take characters from a text file and put it in MATLAB

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