printf "Are you sure you want to change the expiration on key '$keyID' by '%s'? (Y/n) " "$extendBy" >&2
read OK; OK=${OK:-Y}
if [ "${OK/y/Y}" != 'Y' ] ; then
printf "Are you sure you want to change the expiration on key '$keyID' by '%s'? (Y/n) " "$extendBy" >&2
read OK; OK=${OK:-Y}
if [ "${OK/y/Y}" != 'Y' ] ; then