shell解析xml文件

1.yum install libxml2   安装类库

2.xmllint --xpath  "/books/book[@id=2]/text()"   获得目标标签值

<books>

  <book id="1">

    <name>book1</name>

    <price>100</price>

  </book>

  <book id="2">

    <name>book2</name>

    <price>200</price>

  </book>

  <book id="3"><name>book3</name><price>300</price>

  </book>

</books>

 

参考文档：https://www.jb51.net/article/125887.htm