VirtualBox VMDK from VMWare

Copy paste the following into a shell script and run:
[Reference: https://github.com/caskroom/homebrew-cask/issues/3333]

Quite useful tips!
http://brianflove.com/2014/06/09/vmware-fusion-to-virtual-box/

(
  cd /tmp;
  vbox_full_version=$(brew cask info virtualbox | head -1 | cut -d' ' -f2);
  vbox_short_version=${vbox_full_version/-*};
  curl -L -O http://download.virtualbox.org/virtualbox/${vbox_short_version}/Oracle_VM_VirtualBox_Extension_Pack-${vbox_full_version}.vbox-extpack;
  sudo VBoxManage extpack install --replace Oracle_VM_VirtualBox_Extension_Pack-${vbox_full_version}.vbox-extpack;
  rm *.vbox-extpack;
)