# Remove any existing NVRAM entry for rEFInd, to avoid creating a duplicate.
ExistingEntry=`efibootmgr | grep "rEFInd Boot Manager" | cut -c 5-8`
if [[ -n $ExistingEntry ]] ; then
# Remove any existing NVRAM entry for rEFInd, to avoid creating a duplicate.
ExistingEntry=`efibootmgr | grep "rEFInd Boot Manager" | cut -c 5-8`
if [[ -n $ExistingEntry ]] ; then