function task = OpenBCI_TxtDataLoading(date,dataname)
     % close all 
    opts = delimitedTextImportOptions("NumVariables", 33);
    
    % 범위 및 구분 기호 지정
    opts.DataLines = [6, Inf];
    opts.Delimiter = ",";
    
    % 열 이름과 유형 지정
    opts.VariableNames = ["SampleIndex", "EXGChannel0", "EXGChannel1", "EXGChannel2", "EXGChannel3", "EXGChannel4", "EXGChannel5", "EXGChannel6", "EXGChannel7", "EXGChannel8", "EXGChannel9", "EXGChannel10", "EXGChannel11", "EXGChannel12", "EXGChannel13", "EXGChannel14", "EXGChannel15", "AccelChannel0", "AccelChannel1", "AccelChannel2", "Other", "Other1", "Other2", "Other3", "Other4", "Other5", "Other6", "AnalogChannel0", "AnalogChannel1", "AnalogChannel2", "Timestamp", "Other7", "TimestampFormatted"];
    opts.VariableTypes = ["double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "double", "datetime"];
    
    % 파일 수준 속성 지정
    opts.ExtraColumnsRule = "ignore";
    opts.EmptyLineRule = "read";
    
    % 변수 속성 지정
    opts = setvaropts(opts, "TimestampFormatted", "InputFormat", "yyyy-MM-dd HH:mm:ss.SSS");

    task = readtable("C:\Users\lasvi\Documents\MATLAB\OpenBCI_recording\" + date + "\" + dataname);
end