for arg
do
  if test "$arg" = "--_print-summary"
  then
    echo "$DESCRIPTION"
    exit 0
  fi
  if test "$arg" = "--_print-description"
  then
    echo "$LONG_USAGE"
    exit 0
  fi
  if test "$arg" = "--_print-usage"
  then
    echo "$USAGE"
    exit 0
  fi
done