.txt files?

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Khan Muhammad Adeel Khan
评论： Khan Muhammad Adeel Khan 2022-10-20
I have 43 text files in a folder. How can I read all files in matlab?
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David Hill
David Hill 2022-10-20
If the sizes are the same, I would you readmatrix and store them all in a matrix. Otherwise if the sizes are different, use readmatrix and store then in a cellarray.
Khan Muhammad Adeel Khan
Khan Muhammad Adeel Khan 2022-10-20
Many thanks David

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采纳的回答

David Hill
David Hill 2022-10-20
theFiles = dir('*.txt');
for k = 1 : length(theFiles)
baseFileName = theFiles(k).name;
A(:,k)=readmatrix(baseFileName);%for same sizes
B{k}=readmatrix(baseFileName);%for different sizes
end

更多回答（1 个）

Image Analyst
Image Analyst 2022-10-20
We get this question several times a week, so see the FAQ for code snippets:
https://matlab.fandom.com/wiki/FAQ#How_can_I_process_a_sequence_of_files?
% Specify the folder where the files live.
myFolder = 'C:\Users\yourUserName\Documents\My Pictures';
% Check to make sure that folder actually exists. Warn user if it doesn't.
if ~isfolder(myFolder)
errorMessage = sprintf('Error: The following folder does not exist:\n%s\nPlease specify a new folder.', myFolder);
uiwait(warndlg(errorMessage));
myFolder = uigetdir(); % Ask for a new one.
if myFolder == 0
% User clicked Cancel
return;
end
end
% Get a list of all files in the folder with the desired file name pattern.
filePattern = fullfile(myFolder, '*.txt'); % Change to whatever pattern you need.
theFiles = dir(filePattern);
for k = 1 : length(theFiles)
baseFileName = theFiles(k).name;
fullFileName = fullfile(theFiles(k).folder, baseFileName);
fprintf(1, 'Now reading %s\n', fullFileName);
% Now do whatever you want with this file name,
% such as reading it in as an array with readmatrix() or importdata()
% or whatever function you want.
allLines = readlines(fullFileName);
end
Another way to do it is in the FAQ

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