MATLAB: Textscan (read data from second and fourth line)

textscan

i am having some trouble using textscan

i have data in input file as

AAA BBB CCC DDD

10 20 30 40

EEE FFF

40 50

how to read this data

i can read data if it is only in the first line of input file but having trouble it data is in multiple line

Best Answer

L2cell = textscan(fid, '%f%f%f%f', 1, 'HeaderLines', 1, 'CollectOutput', 1);
L4cell = textscan(fid, '%f%f', 1, 'HeaderLines', 1, 'CollectOutput', 1);

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MATLAB: How to read multiple csv files with unknown size

fid = fopen('FirstFile.csv', 'rt');
first_data_cell = textscan(fid, '%f%f%f', 'HeaderLines', 1, 'Delimiter', ',', 'CollectOutput', 1);
fclose(fid);
first_data = first_data_cell{1};
%
fid = fopen('SecondFile.csv', 'rt');
second_data_cell = textscan(fid, '%s%f%f%f%f%f%f', 'HeaderLines', 4, 'Delimiter', ',', 'CollectOutput', 1);
fclose(fid);
second_data_col1 = second_data_cell{1};
second_data_rest = second_data_cell{2};

The "missing" numeric values will be replaced by NaN by default.

MATLAB: Extracting data from multiple files with header.

f=dir(fullfile(YourFolder,'*.txt'));
files={f.name} 
for k= 1:numel(files)
    fid = fopen(fullfile(YourFolder,files{k}), 'rt');
    Data = textscan(fid, '%f %f %f %f %f', 'headerLines', 43, 'CollectOutput', true);
    Data= cell2mat( Data);
    out{k}=Data;  
    fclose(fid);
end

Best Answer

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MATLAB: How to read multiple csv files with unknown size

MATLAB: Extracting data from multiple files with header.

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