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Appending new data for every operation in excel

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KATARI LOKESH
KATARI LOKESH 2020-7-13
关闭： MATLAB Answer Bot 2021-8-20
Hi Experts,
I want to read every column of a csv file data and after every new operation , I need to append the newly obtained column data to same new csv file.
I have used dlmread and dlm write , can you please help me using dlmwrite.
clear all;close all;clc;
% R= omlfilename('fullpathext')
[num] = dlmread('Book1.csv');
for i =1: size(num,2)
maindata = num(:,i);
dlmwrite('test11.csv',maindata);
%%% Operation to be done
file = 'output.csv';
output= dlmread(file);
end
dlmwrite('cleandata.csv',output,',','-append')

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回答（1 个）

Anmol Dhiman
Anmol Dhiman 2020-7-26
Hi Lokesh,
Refer to answer for a similar question.
Regads,
Anmol Dhiman

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