#!/bin/bash

FLAG=0
for i in {1..20} ; do 
        if [ x`/usr/local/app/shackdoor/shackdoor /dev/ttyUSB0` = xDSR ] ; then
                FLAG=$(( $FLAG + 1 )) 
        fi
done

if [ "$FLAG" = 0 ] ; then
         echo -e -n "GET /sopen/************ HTTP/1.0\r\nHost: shackspace.de\r\n\r\n" | nc shackspace.de 80
fi