external IP detection fix #9
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LOCALIPMASK="$LOCALIP$LOCALMASK"
IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}' | grep -o -E '[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}' | head -1)