routeros-scripts/remove-packages

#
# RouterOS script: remove-packages
# Copyright (c) 2013-2018 Christian Hesse <mail@eworm.de>
#
# remove packages (*.npk) not matching installed version

:local version [ / system package update get installed-version ];

:foreach package in=[ / file find type="package" ] do={
  :local filename [ / file get $package name ];
  :if ($filename~$version) do={
    :log debug ("Package file " . $filename . " is up-to-date.");
  } else={
    :log debug ("Removing old packge file: " . $filename);
    / file remove $package;
  }
}