Code:
clear; while :; do echo $LINES $COLUMNS $(($RANDOM%$COLUMNS)); sleep 0.1; done | awk '{a[$3]=0; for(x in a) {o=a[x]; a[x]=a[x]+1; printf "\033[%s;%sH ",o,x; printf "\033[%s;%sH*\033[0;0H",a[x],x;}}'
clear; while :; do echo $LINES $COLUMNS $(($RANDOM%$COLUMNS)); sleep 0.1; done | awk '{a[$3]=0; for(x in a) {o=a[x]; a[x]=a[x]+1; printf "\033[%s;%sH ",o,x; printf "\033[%s;%sH*\033[0;0H",a[x],x;}}'