function [tlines] = find_value_multpile_IN(filename, varargin)
% Idee aus: http://stackoverflow.com/questions/8478566/search-for-specific-word-in-text-file-in-matlab

data = fopen(filename);
s=numel(varargin);
U=zeros(1,s);

while 1                                     % infinite loop
    tline = fgetl(data);                    % read a line
    counter = counter + 1;                  % we are one line further
    if ischar(tline)                        % if the line is string 
        U(1)= strfind(varargin(1),tline);      % where the string start (if at all)
        if isfinite(U) == 1;                % if it is a number actually
            tlines(1)=tline;                % Speichern der ersten gefundenen Zeile

            %[...] restlicher Code mit tlines(2) bis tlines(s) 
            %[...]
            %[...]
        end
     end
end

fclose('all');
end