prologin-dd_prololive/dd_prololive_auto.sh

#! /usr/bin/env sh

devices=""

check_devices()
{
  devices_tmp=$(ls /dev | grep -E '^sd[a-z]$')
  if [ "${devices}" != "${devices_tmp}" ]
  then
    devices="${devices_tmp}"
    echo "${devices}"
    echo -n "Enter device to dump: "
    read device
    if [ "${device}" != "" ]
    then
      ./dd_prololive.sh "${device}"
    else
      echo "Doing nothing"
    fi
  fi
}

while :;
do
  check_devices
  sleep 0.1
done