how to add zero padding to text file to make 250x4

I want to add zeros to make my data eqaully balance with 250 rows and 4 columns. can anyone help?

[Rik]

What is your input data, and what have you tried so far?

Answer 1

[Sulaymon Eshkabilov]

X = load("Test0.txt");    % Original data file
x1 = zeros(250,4);        % Zeros 250-by-4   
XX = [x1;X];              % All data augmented
writematrix(XX,'Test_New.txt','Delimiter','tab') % Written a new data file in *.txt

[Jaspreet Kaur]

Thank you for your reply. actually i have multiple text file. here is example of one of them.