get syslinux MBR ID and partition ID

#!/bin/bash

#get syslinux MBR ID and partition ID

SL_ID=""

get_slid() #$1 - device name (e.g. /dev/sda1)
{
    #get base name
    T_BN=`basename $1`

    #get volume number
    T_VOLNUM=`echo "$T_BN" | sed 's/^[a-z]*//'`

    #get disk name
    T_DSKNAM=`echo "$1"|sed 's/[0-9]\+$//'`
    if [ -z "$T_DSKNAM" ]; then
        return 1 #error
    fi

    #get MBR ID
    #T_MBRID=`fdisk -l "$T_DSKNAM" | grep "Disk identifier"|awk '{print $3}'`
    T_MBRID=`hexdump -s 440 -n 4 -e '"0x%08x\n"' "$T_DSKNAM"`

    SL_ID="mbr:$T_MBRID $T_VOLNUM"

}

if [ -z "$1" ]; then
    echo "Use "`basename $0` "<device>"
    exit
fi

get_slid "$1"

if [ "$?" -ne 0 ];then
    echo "Error!"
else
    echo "$1: $SL_ID"
fi