/usr/sbin/ Current File: //usr/sbin/popcon-largest-unused
#!/bin/sh
#
# Author: Yann Dirson <dirson@debian.org>
# License: GPL

datafile=/var/log/popularity-contest

if [ ! -e $datafile ] ; then
    echo "warning: Missing required file $datafile."
    echo "info:    Run 'popularity-contest > $datafile' to generate it."
    exit 1
fi

grep '<OLD>' $datafile | cut -d' ' -f3 |
  xargs -r apt-cache -o 'APT::Cache::AllVersions=0' show |
  grep -E '^(Package|Installed-Size): ' |
  perl -ne 'if (/^Package: (.*)/) { $p = $1 };  if (/^Installed-Size: (.*)/) { print "$1 $p\n"; $p = 'BUG' }' |
  sort -rn