run command on each host

eachhost.sh

# run command on each host in /etc/hosts and print the output
# stop on failure (remove || break to continue on failure)
# use a pretty line break to delimit responses
# like this:
#┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫hostname┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
eachhost () {
  # ignore line 1 and 5 in /etc/hosts
	for host in $(sed 1,5d /etc/hosts|awk '{print $2}')
	do
		(
			mid=$(( ($(tput cols) / 2) - (($(echo $host | wc -m) + 2) /2 )))  && _hr=$(printf "%*s" $(( $(tput cols) - 2 )))  && echo -en ┏${_hr// /${2-━}}┓ && echo -e "\r\033[${mid}C┫${host}┣" && ssh $host "$*"
		) || break
	done
}