Converting txt file into title and array?
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I am trying to load a txt file that looks like this:
Time (s)
0
1.5
1.6
2
2.5
3.5
4
and I want to save the first line as a string to be used for the xlabel on a plot, and the n lines of numbers afterwards I would like to save as an array.
I tried to use something like this and it did not work:
xL = fscanf(fid,'%s');
fgetl(fid); %first line of txt file is the data label I am going to use for the plot xlabel
for n = 1:dataLength % dataLength = 7 here
data(n) = fscanf(fid,'%f');
fgetl(fid);
end
The problem was the xL variable was then defined as 'Time (s)01.51.622.53.54' . It basically did not just grab one line for some reason.
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Ameer Hamza
2020 年 5 月 12 日
On recent MATLAB releases, you can also try readtable
t = readtable('test.txt', 'PreserveVariableNames', true);
Then access data and label using this syntax
data = t{:,1}
label = t.Properties.VariableNames{1}
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