#!/bin/sh
vals=$(aptitude full-upgrade --simulate --assume-yes |\
    grep -m1 '^[0-9]\+ packages upgraded,' |\
    tr -cd '0-9 ' |\
    tr ' ' '\n' |\
    grep '[0-9]\+' |\
    xargs echo)

print=" "
for i in $vals; do
  [ $i != 0 ] && icon="\033[11m\033[10m"
  print="$print$i/"
done

[ -n "$icon" ] && printf "$icon " && echo $print | sed 's/\/$//'