Parse Option simple

#!/bin/bash
usage() {
  echo "Usage: $0 [ -s | --server server1,server2 ] [ -t | --time YYYY-mmm-ddTHH:MM:SS ] ..."
  exit 1
}
opt=$(getopt --options 's:t:h' --longoptions 'server:,time:,help' -- "$@")
if (( $? )); then usage; fi
eval set -- "${opt}"
while :; do
  case "$1" in
    -s|--server) server="$2"; shift 2; ;;
    -t|--time)   time="$2"; shift 2; ;;
    -h|--help)   usage; ;;
    --)          shift; break; ;;
    *)           usage; ;;
  esac
done
echo normal "$@"
echo server "${server}"
echo time "${time}"