# list revokers, if there are any
revokers=$(gpg --list-keys --with-colons --fixed-list-mode \
- | grep '^rvk:' | cut -d: -f10) || true
+ | awk -F: '/^rvk:/{ print $10 }' )
if [ "$revokers" ] ; then
echo "The following keys are allowed to revoke this host key:"
for key in $revokers ; do