shell脚本读取json文件内容

{
    "menu": {
        "id": "file",
        "value": "File:",
        "popup": {
            "menuitem": {
                "value": "New",
                "onclick": "CreateNewDoc()"
            }
        }
    }
}

#! /bin/bash

JQ_EXEC=`which jq`
FILE_PATH=test.json
id=$(cat $FILE_PATH | ${JQ_EXEC} .menu.id | sed 's/\"//g')
echo $id