extendTo=$(get_gpg_expiration "$1")
if [ "$PROMPT" = "true" ] ; then
- read -p "Are you sure you want to change the expiration on the host key to '$extendTo'? (Y/n) " OK; OK=${OK:-Y}
+ printf "Are you sure you want to change the expiration on the host key to '%s'? (Y/n) " "$extendTo" >&2
+ read OK; OK=${OK:-Y}
if [ "${OK/y/Y}" != 'Y' ] ; then
failure "expiration not set."
fi