10 case $u in "" | \#*) continue ;; esac
11 case $user in $u) ;; *) continue ;; esac
14 zone=*) zone=${h#*=} ;;
15 *) hosts=${hosts:+$hosts }$h ;;
19 case ${hosts+t} in t) ;; *) continue ;; esac
20 line="environment=\"DYNDNS_HOST=$hosts\""
21 line="$line${zone:+,environment=\"DYNDNS_ZONE=$zone\"}"