centos shell get ip mac address

--------------------------------mac------------------------

cat /sys/class/net/eth*/address

-------------------------mac-----------------------------

/sbin/ifconfig \
   | grep 'eth0' \
   | tr -s ' ' \
   | cut -d ' ' -f5

------------------ip--------------------------

/sbin/ifconfig \
   | grep '\<inet\>' \
   | sed -n '1p' \
   | tr -s ' ' \
   | cut -d ' ' -f3 \
   | cut -d ':' -f2
--------------------------mac----------------
ifconfig | grep HWaddr | awk -F" " '{print $5}'

------------------------ip-------------------------
ifconfig eth0 | grep "inet addr" | awk -F: '{print $2}' | awk '{print $1}'