Console Output

+ vboxmanage list+  hdds+ 
grep+ sed ^UUID: s/  */ /cut

 -d  -f2
+ vboxmanage closemedium disk bce00fc3-7000-4342-92c5-51fb241e3ef4
+ vboxmanage closemedium disk 516bb7fe-6242-42d9-9b1b-ce25ce9c8117