## arg 1: the new package version post_install() { echo "pkg prefix /usr/share/octave/packages /usr/lib/octave/packages; pkg install -global /usr/share/octave/statistics.tar.gz" | octave --silent } ## arg 1: the new package version ## arg 2: the old package version post_upgrade() { post_remove post_install } ## arg 1: the old package version post_remove() { echo "pkg prefix /usr/share/octave/packages /usr/lib/octave/packages; pkg uninstall statistics" | octave --silent }