function[obj] = display_and_log(obj, varargin)

if nargin ==2
    text = varargin{1};
    truncate = varargin{2};
else
    text = varargin{1};
    truncate=0;
end

code = 'a+';
if truncate
    code = 'w+';
end

display(sprintf(text));
fp = fopen('information.txt',code);
text = [text '\n'];
fprintf(fp,  text);
fclose(fp);