function data = readfromline(filepath, lineNr, colNr)
% dirname: Directory and file path string, Ex: dirname = (['./folder/file.dat'])
% lineNr: Line to read data from in file with header 
% colNr: Total nr of columns in file
%a = dir(dirName);


%filepath = [a(i).folder '/' a(i).name];
fid = fopen(filepath,'rt');
data = textscan(fid, '%f ', 'HeaderLines',lineNr-1);
fclose(fid);
data_onecolumn = data{1};

frames=length(data_onecolumn)/(colNr); % insert number of cols in file
data = reshape(data_onecolumn',colNr,frames)';

if isempty(data)
    fprintf(1,'Error: trying to read a row with text, look at file you are trying to read\n')
end

end