#!/bin/bash
cowsaid="$(cowsay "E T E R N A L")"
trap_exit() {
	printf "%s" "$cowsaid"
}
trap trap_exit EXIT
while true; do
	cowsaid="$(cowsay -n <<< "$cowsaid")"
	printf "%s characters of cowsay; hit Ctrl+C to dump them\\n" "$(wc -c <<< "$cowsaid")"
done