#!/bin/sh

case "$1" in
  'head')
    :
  ;;
  'foot')
    echo '-------------------------- /proc/mdstat ----------------------------'
    echo
    cat /proc/mdstat
    echo
    echo '------------------------ /proc/mdstat End --------------------------'
  ;;
  *)
    >&2 printf 'usage: %s head|foot\n' "${0##*/}"
    exit 1
  ;;
esac