Shattered Pixel Dungeon: https://github.com/00-Evan/shattered-pixel-dungeon/releases
X = X + X
Xv2 = Xv1 + Xv1 awk -W interactive 'BEGIN { t = systime(); } { u=systime(); if (u - t > 1) { printf("= %s %ds =========\n",strftime("%T"), u - t); }; print $0; t = u; }'
awk -W interactive 'BEGIN { t = systime(); } { u=systime(); if (u - t > 1) { printf("\033[2J\033[H= %s %ds =========\n",strftime("%T"), u - t); }; print $0; t = u; }'