You can try this:MAC=$(arping -f -I eth0 $ipnumber | grep reply | tr -s ' ' | tr ']' '[' | cut -d '[' -f 2)
echo "MAC: $MAC" You can debug like this:echo "Unicast reply from 10.0.0.3 [00:0C:29:C8:DE:E2] 1.040ms" | grep reply | tr -s ' ' | tr ']' '[' | cut -d '[' -f 2
HTH Oliver -- Oliver Schulze L. Get my e-mail after a captcha test in: http://tinymailto.com/oliver
