Snippet : bash script startup - getopt

bash-script-startup.sh

unset OPTIND
while getopts ":s:d:c:a:hv" opt; do
  case $opt in
    h)
      usage
      exit 0
      ;;
    v)
      GLOBAL_VERBOSE_ENABLED=$TRUE
      ;;
    s)
      service=$OPTARG
      ;;
    d)
      domain=$OPTARG
      ;;
    c)
      _config_file=${OPTARG}
      ;;
    a)
      action=${OPTARG}
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      exit 1
      ;;
    :)
      echo "Option -$OPTARG requires an argument." >&2
      exit 1
      ;;
  esac
done && shift $(($OPTIND - 1))



# Other form ---

if test $# -eq 0
then
  usage
fi

while test $# -gt 0; do
        case "$1" in
                -h|--help)
                        usage
                        exit 0
                        ;;
                -c|--client)
      shift
      _USR_EMAIL=$1
      shift
                        ;;
          -v|--verbose)
      _VERBOSE=1
      shift
                        ;;

                -f|--from)
      shift
      _FROM_DATE=$1
      shift
                        ;;
                -t|--to)
      shift
      _TO_DATE=$1
      shift
                        ;;
                --today)
      _TODAY_FLAG=1
      shift
                        ;;
          *)
      err "Option [$1] is not supported!"
      usage
      exit 1
      break
                        ;;
        esac
done