10个实战及面试常用的shell脚本--1
method 1: ifconfig eth0 | grep "inet addr" | awk '{ print $2}' | awk -F: '{print $2}'method 2:
ifconfig eth0|grep 'inet addr:'|cut -d: -f2|cut -d " " -f1
method 3:
ifconfig eth0|sed -nr '2s#^.*addr:(.*) Bca.*$#\1#g'p
method 4:
ifconfig eth0|sed -n '/inet /{s/.*addr://;s/ .*//;p}'
method 5:
ifconfig eth0|awk '/inet addr:/ {print $2}'|awk -F: '{print $2}'
method 6:
ip add|awk -F '[ /]+' 'NR==8 {print $3}'
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