pkg-stat(){
    PACKAGE=$1
    STAT=( $( apt-cache policy $PACKAGE 2>/dev/null |grep "Candidat\|Installé"|sed "s/..Candidat.:.//"|sed "s/..Installé.:.//") )
    if [[ -n $STAT ]] ; then
        case $STAT[1] in
            ('(aucun)')
                case $STAT[2] in
                    ('aucun') return 3
                    ;;
                    (*) return 2
                    ;;
                esac
            ;;
            (*) return 0
            ;;
        esac
    else
        return 1
    fi
}
test-pkg() {
    local PACKAGES=( $@ )
    INST=()
    for PACKAGE in $PACKAGES ; do
        pkg-stat $PACKAGE ; RET=$?
        ALIGN=$(( 30-${#PACKAGE} ))
        case $RET in
            (0) printf "\x1b[32m%s%${ALIGN}s\x1b[0;1m[\x1b[32;1mINSTALLÉ\x1b[0;1m]\x1b[0m\n" "$PACKAGE"
            ;;
            (1) printf "\x1b[31;1m%s%${ALIGN}s\x1b[0;1m[\x1b[31;1mN'EXISTE PAS\x1b[0;1m]\x1b[0m\n" "$PACKAGE"
            ;;
            (2) printf "\x1b[34;1m%s%${ALIGN}s\x1b[0;1m[\x1b[34;1mSERA INSTALLÉ\x1b[0;1m]\x1b[0m\n" "$PACKAGE"
            ;;
            (3) printf "\x1b[33;1m%s%${ALIGN}s\x1b[0;1m[\x1b[33;1mPAS DE VERSION CANDIDATE\x1b[0;1m]\x1b[0m\n" "$PACKAGE"
            ;;
        esac
    done
}