#!/bin/bash -e

while true; do
    mapfile -t LSBLK < <(lsblk -n --paths --list | grep part)

    COLUMNS=1
    select dev in "${LSBLK[@]}"; do
        if [ -z "$dev" ]; then
            break
        fi
        name="$(awk '{print $1}' <<< "$dev")"

        if mount | grep -q "$name"; then
            umount "$name"
        else
            udisksctl mount -b "$name" > /dev/null
        fi
        break
    done || exit
done