#!/bin/bash

packages=("$@")
declare -a versions=()

for ((i=0; i<${#packages[@]}; i++))
do
    current_version=$(dpkg -s ${packages[$i]} 2>/dev/null | awk '/^Version:/ {print $2}')
    if [[ $? -eq 0  && -n "$current_version" ]]; then
        versions+=(${current_version})
    else
        versions+=("none")
    fi

done

echo "${versions[@]}"