update.sh

#!/bin/bash

# Force bash
if [ -z "$BASH" ] || [ ! "_$BASH" = "_/bin/bash" ];then bash $0 "$@";exit;fi

GET_CURRENT_ROW()
{
    exec < /dev/tty
    oldstty=$(stty -g)
    stty raw -echo min 0
    echo -ne "\e[6n" > /dev/tty
    IFS=';' read -r -d R -a pos
    stty "$oldstty"

    echo ${pos[0]:2}
}

MAKE_WINDOW()
{
    lines=10

    if [[ "$1r" == -* ]]
    then
        if [[ ${1:1} =~ ^[0-9]+$ ]]
        then
            lines=${1:1}
            shift
        fi
    fi

    for (( i = -2; i < $lines ; i++ ))
    do
        echo
    done

    row=$(GET_CURRENT_ROW)
    startrow=$(((row - 1) - lines))

    echo -en "\e["$startrow";"$((row - 1))"r\e["$startrow"H"

    "$@"

    row=$(($(GET_CURRENT_ROW) + 1))

    echo -en "\e[r\e["$row"H"
}

echo -en "\a"
figlet -t -f smslant -k "        apt-get  update"
MAKE_WINDOW -15 apt-get update

echo -en "\a"
figlet -t -f smslant -k "        apt-get  dist-upgrade"
MAKE_WINDOW -20 apt-get dist-upgrade

echo -en "\a"
figlet -t -f smslant -k "        apt-get  autoremove"
MAKE_WINDOW apt-get autoremove

echo -en "\a"
figlet -t -f smslant -k "        apt-get  autoclean"
MAKE_WINDOW apt-get autoclean