Writes table info of /dev/sd* disk info

diskinfo.sh

#!/bin/bash
set -e
# Determines whether the specified disk is partitioned or not.
has-partition() {
    local dev="$1"
    local parts=("$dev"?)
    if [[ ${#parts[@]} == 0 ]]; then
        return 1
    else
        return 0
    fi
}
# Gets the serial number of the specified device.
get-serial() {
    local dev="$1"
    smartctl -i "$dev" | grep -i "^serial number:" | sed -e 's/.\+:[ ]\+\(.\+\)$/\1/'
}
# Gets the inode of the specified file, following symlinks.
get-inode() {
    local f="$1"
    stat -Lc '%i' "$f"
}
# Gets the SCSI ID of the specified device.
get-scsi() {
    local dev disks inode
    dev="$1"
    disks=(/dev/disk/by-id/*)
    inode="$(get-inode "$dev")"
    for d in "${disks[@]}"; do
        if [[ "$(get-inode "$d")" == "$inode" ]]; then
            basename "$d"
            return
        fi
    done
    echo "?"
}
print-table() {
    local all="$1"
    shift
    local disks=("$@")
    echo "Partitioned Disk Serial ID"
    for d in "${disks[@]}"; do
        if has-partition "$d"; then
            if  [[ "$all" == "0" ]]; then continue
            else part="yes"
            fi
        else
            part="no"
        fi
        serial=$(get-serial "$d")
        scsi=$(get-scsi "$d")
        echo "$part $d $serial $scsi"
    done
}
if [[ $(id -u) != "0" ]]; then
    echo "this script must be run as root (sudo $0)"
    exit 1
fi
if [[ $1 == "-a" ]]; then
    all=1
else
    all=0
fi
disks=(/dev/sd?)
# This will print:
#   * serial number
#   * SCSI device number
#   * device file
# If "all" is not specified, it will skip devices that already have partitions.
print-table "$all" "${disks[@]}" | column -t