function CHOOSE ()
{
        if [ -z "${DISK}" ]; then
                pecho "$(tput setaf 2)$(tput bold)List of devices:$(tput setaf 5)$(tput bold)"
                fdisk -l|grep 'dev'|grep bytes > /tmp/AddDisk.tmp
                awk '{printf("          %02d %s\n", NR, $0)}' /tmp/AddDisk.tmp
                read -p "$(tput sgr0)[$(tput setaf 3)$(tput bold)AddDisk$(tput sgr0)] $(tput setaf 2)$(tput bold)Please choose a device. $(tput sgr0)" -n 3 -r
                if [ -z "${REPLY}" ]; then
                        echo "$(tput setaf 1)$(tput bold)Please enter a valid number$(tput sgr0)"
                        CHOOSE
                fi
                re='^[0-9]+$'
                if ! [[ "${REPLY}" =~ $re ]] ; then
                        echo "$(tput setaf 1)$(tput bold)Please enter a valid number$(tput sgr0)"
                        CHOOSE
                fi
                chk=`sed "${REPLY}q;d" /tmp/AddDisk.tmp | wc -l`
                if [ $chk -eq 0 ]; then
                        echo "$(tput setaf 1)$(tput bold)Please enter a valid number$(tput sgr0)"
                        CHOOSE
                fi
                DISK=`sed "${REPLY}q;d" /tmp/AddDisk.tmp | awk {'print $2'}| cut -d':' -f1`
                echo "Disk: ${DISK}"
                return
        fi
}