How to record the data from start to end

Hi everyone

I haven a question about recording, i can get the data by using the code:

% add to store x_all = [x_all; x];

%#ok<AGROW> This is innefficient memory-allocation, but ok for present purposes

% print data to console (max 100 rows)

x_all(end-min(100,size(x_all,1)-1):end,:)')

By above code ,I can get 100 data or more by changing the number. However, I want the data from start to end. What code is suitable for me? Thank you