How can i delete the rows that have the same value in data file

I have big file of binary data (0,1) and I need to delete all rows that have the same value. For Example, if the second and the third row for all columns is zero, I want to delete theses two rows.

0 1 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 0 1 0 1 0 1 1 0 1

Answer 1

[Andrei Bobrov]

out = a(any(diff(a,1,2)~=0,2),:);