one-liner: print all lines except the last 3?

Question

I would like to simulate GNU\'s head -n -3, which prints all lines except the last 3, because head on FreeBSD doesn\'t have this feature. So I am t

Answer 1

This awk one-liner seems to do the job:

awk '{a[NR%4]=$0}NR>3{print a[(NR-3)%4]}' file