post_install() {
    echo "put something like this at the end of your ~/.bashrc to get a random pokemon on every bash launch:"
    echo ""
    echo "cat /usr/share/pokeshell/\$((\$RANDOM % 151 + 1)).pokemon"
}

post_upgrade() {
    echo "put something like this at the end of your ~/.bashrc to get a random pokemon on every bash launch:"
    echo ""
    echo "cat /usr/share/pokeshell/\$((\$RANDOM % 151 + 1)).pokemon"
}