Ping a host every ten seconds and notify when it becomes unreachable

watchbuild

#!/bin/bash
if [[ $# != 2 ]]; then
  echo "Usage:"
  echo "watchbuild <host> <delay>"
  exit 1
fi
sleep $2
while true; do
  ping -c 1 $1 &> /dev/null
  if [[ 0 != $? ]]; then
    osascript -e 'display notification "Build has finished and server is shutdown." with title "Build Server Complete"'
    exit 0
  fi
  sleep 10
done