A script to load multiple (n) txt files and save them into a single matrix of n columns

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ARP 2017-3-15

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https://ww2.mathworks.cn/matlabcentral/answers/329922-a-script-to-load-multiple-n-txt-files-and-save-them-into-a-single-matrix-of-n-columns

评论： KSSV 2017-3-15

Sorry for disturbing with this basic question, but I am new in MATLAB. I have been using OriginLab for many years. Importing data and copying individual columns into a single large matrix was very easy. It seems like impossible now.

I have a folder with several files, lets say 15, saved as a text file. The text file contains a heading to be removed, starting from row 6. The file itself is simply time and amplitude from the oscilloscope. I need to load the files and paste them into one single matrix. Only first column would be time, the rest are the amplitude data.

Any tips to generate a script to automate that? using the import function does it only for one file. When doing it again overwrites the values.

Thanks in advance

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Answer 1

KSSV 2017-3-15

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/329922-a-script-to-load-multiple-n-txt-files-and-save-them-into-a-single-matrix-of-n-columns#answer_258760

在 MATLAB Online 中打开

F = dir('*.txt');    % you are in the folder of text files 
NF = length(F) ;  % number of files 
data = cell(N,1) ; 
for i = 1:length(F)
    thisdata = importdata(F(i).name) ; 
    % pick your data from here 
     data{i} = thisdata.data ;
end