Extract column values and save in folder in form of .txt form. I need help in this...

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saeeda saher
saeeda saher on 6 Nov 2017
Commented: saeeda saher on 6 Nov 2017
I have csv file, it has three columns, emotion, pixels,usage. and i have folders 0,1,2,3,4,5,6,7 . i want to check firs column value row by row if the value is 0 then the second column pixel value in that row should save in form of txt file in 0 folder, if the value is 1 then save pixel value of that row in form of txt in 1 folder, if value is 2 then save in folder 2, if value is 3 then save in folder 3 and so on....
kindly help me , i am trying from last one week. but yet have not found any solution.
saeeda saher
saeeda saher on 6 Nov 2017
i have just loaded the file only
for k=0:6
[status, msg, msgID] = mkdir( num2str(k )) ;
opt = {'Delimiter',',','Bufsize',pow2(14)};
[fid,msg] = fopen('data.csv','rt ');
assert(fid>=3,msg )
hdr = regexp(fgetl(fid),'\S+','match ');
C = textscan(fid,'%d%s%s',opt {:});
fclose(fid );
fun = @(s)sscanf(s,'%d ').';
C{2} = cell2mat(cellfun(fun,C{2},'uni',0));
Till here my work is done, now i want to save data in created folders. as mentioned in question.

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