Hi!
It seems all your 6 fields in a row are separated with ",", right? The easiest is to read in the whole file and process each line. I used the sample line (all in one line!)
str = '"2013-11-13 08:12:33",1239169,3.9675,28.4041,"1.115000;1.117000;1.116000","1.118000;1.117000;1.117000"';
The code is
% positions of ','
ind = strfind(str, ',');
% start of each column
indstart = [1 ind+1];
% end of each column
indend = [ind-1 length(str)];
% get all columns
DateString = str(indstart(1):indend(1));
idString = str(indstart(2):indend(2));
temperatureString = str(indstart(3):indend(3));
irradianceString = str(indstart(4):indend(4));
currentString = str(indstart(5):indend(5));
voltageString = str(indstart(6):indend(6));
% convert current and voltage to numeric array
currentString = regexprep(currentString, '"', '');
currentArray = str2num(currentString);
voltageString = regexprep(voltageString, '"', '');
voltageArray = str2num(voltageString);
This can of course be done for multiple rows in the file and in vectorised form. It is just to get you started.
