4 echo "Usage: $0 version" >&2
8 cd "$HOME/VirtualBox VMs" && \
9 ww "http://download.virtualbox.org/virtualbox/$1/VBoxGuestAdditions_$1.iso" \
10 "http://download.virtualbox.org/virtualbox/$1/Oracle_VM_VirtualBox_Extension_Pack-$1.vbox-extpack" &&
12 exec sudo VBoxManage extpack install --replace \
13 "Oracle_VM_VirtualBox_Extension_Pack-$1.vbox-extpack"