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How can i edit data in multiple text files?

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Bruno Carvalho
Bruno Carvalho 2021-3-23
评论： Jan 2021-3-24
I have hundreds of .txt files of data, and i need to order that data, and save only the top and bottom 10% of it to the same .txt file.
I've looked arround and tryed some things out but with no luck so far.
This is what i have.
clear all
close all
clc
Folder = 'C:\Users\Bruno\Desktop\teste123';
FilePattern = fullfile(Folder, '*.txt');
TheFiles = dir(FilePattern);
for k = 1 : length(TheFiles)
BaseFileName = TheFiles(k).name;
FullFileName = fullfile(TheFiles(k).folder, BaseFileName);
Data = readmatrix(BaseFileName);
SortedData = sortrows (Data,-5);
RowsToDelete = [11:83];
SortedData(RowsToDelete,:) = [];
HighCorr = SortedData(1:10,:);
LowCorr = SortedData(11:20,:);
end
With this script, matlab only gives me the top and bottom 10% (named HighCorr and LowCorr) of the first file.
I need to save this in the respective .txt file, and do the same with the rest of my folder.
Can someone help please?
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采纳的回答

Jan
Jan 2021-3-24
SortedData = sortrows (Data, -5);
n = size(SortedData, 1);
Data = SortedData([1:10, 84:s], :);
writematrix(FullFileName, Data);

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