#!/bin/bash
pattern='sd[b-z][1-9]$'
coproc inotifywait --monitor --event create,delete --format '%e %w%f' /dev

while read -r -u "${COPROC[0]}" event file; do
    if [[ $file =~ $pattern ]]; then
  case $event in
      CREATE)
    echo "Settling..."; sleep 1
    udisksctl mount --block-device $file --no-user-interaction
    ;;
      DELETE)
    ;;
  esac
    fi
done