摘要： ip addr|awk '/inet /{gsub(/\/.*/," " ,$2);print $2}' ip addr 显示本机ip地址 awk中'/inet/{gsub (/\.*/," ",$2);print $2}' 匹配含inet空格的行，并且把匹配的行中第二个域中/以后的字符换成空格，再 阅读全文