#!/bin/bash set -e declare -a cmd apt-get update export DEBIAN_FRONTEND=noninteractive RUNLEVEL=1 while [[ $# -gt 0 ]]; do if [[ $1 = ";" ]]; then apt-get "${cmd[@]}" cmd=() else cmd+=("$1") fi shift done if [[ ${#cmd[*]} -gt 0 ]]; then apt-get "${cmd[@]}" cmd=() fi rm -rf /var/lib/apt/lists/ /var/cache/apt/archives/*.deb