Simple function to search for a valid VirtualBox VM and return its UUID

vbox-query-uuid.sh

#!/usr/bin/env sh

# Searches for a currently available VirtualBox VM and returns its UUID.
#
# Code by Marco Trulla a.k.a. Ragnarøkkr
# http://marcotrulla.it/
# http://github.com/Ragnarokkr
#
# Params:
#       $1 => the regex pattern to search for in currently available virtual machines
#               (case sensitive).
#
# Returns:
#       the VM's UUID or nothing.
#
# Example:
#
#       VBoxHeadless -s `vbox-query-uuid "Ubuntu Server 13.04"`
 
vbox-query-uuid () {
        local uuid=$(VBoxManage list vms | egrep "$1" | sed -e 's/.*{\(.*\)}.*/\1/g')
        echo $uuid
}