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There is nothing like close in this forum.

I think, you can ignore the sed command also.


for X in 1 2 3
do
echo $(ifconfig eth0|awk 'NR==8{print $2;exit}'|cut -c7-)
sleep 2
done

echo $(ifconfig eth0|sed -n 8p|awk '{print $2}'|cut -c7-)
sleep 2
echo $(ifconfig eth0|sed -n 8p|awk '{print $2}'|cut -c7-)
sleep 2
echo $(ifconfig eth0|sed -n 8p|awk '{print $2}'|cut -c7-)...