Created
June 23, 2010 17:23
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| for n in `seq 2 253`;do NAME=''; ping -w3 -c3 192.168.7.${n} >/dev/null 2>&1; PINGS=$?; NAME=$(dig +short -x 192.168.7.${n}); if [ "${NAME}" == "" ]; then if [ ${PINGS} -ne 0 ];then echo 192.168.7.${n} is available;fi;fi; done |
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