Syslog-NG Loggen

opt()
    case ${1##*:*}:${#2} in
    (--:*) ! x=$((x-2))  ;;
    (-nonfileoption:[!0]*) p=;;
    (-fileoption:[!0]*)    p=\$2/;;
    (*:0)  eval $"{$x"':?Bad option::arg: "$1::$2"}';;
    (*)    eval $"{$((x-1))"':?Bad option: "$1"}'
    esac

[ " -location" = " $1" ] && x=2 parm= &&
while  [ "$#" -ge "$((x+=2))" ]
do     eval 'opt  "${'"$((x-1))"'}" "${'"$x}\"" ||
          until [ "$x" -eq "$#" ] && break 2
          do    parm=$parm' "${'$((x+=1))}\"
          done
       parm=$parm' "${'$((x-1))'}"  "'$p\${$x}\"
done&& eval "set -- $parm"