tools/devshell/list-usb-disks

#!/bin/bash
# Copyright 2017 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

#### CATEGORY=Other
### list attached usb disks

case "$(uname)" in
Darwin)
  disks=$(diskutil list | grep '^/dev/' | grep -v 'internal\|synthesized\|image' | grep -v 'virtual' | cut -d ' ' -f 1)
  for disk in $disks; do
    details="$(diskutil info "${disk}" | grep 'Media Name' | cut -d : -f 2-)"
    echo "${disk} - ${details}"
  done
  ;;
Linux)
  for disk in $(ls /dev/disk/by-path/*-usb-* 2>/dev/null); do
    if [[ "${disk}" =~ part ]]; then
      continue
    fi
    disk=$(readlink -f "${disk}")
    details="$(cat /sys/block/$(basename "${disk}")/device/model)"
    echo "${disk} - ${details}"
  done
  ;;
*)
  echo "Unsupported platform $(uname)"
  exit 1
  ;;
esac