linux 之 jq

1、安装

mac 安装:
brew install jq

centos 安装：
yum install jq

ubuntu: 安装：
apt-get install jq

2、使用

cat test.json

{
    "Type": "online_confirm_order_bill",
    "Source": "MEITUAN",
    "AreaCode": 2,
    "OutCode": "14769782825369498",
    "OutStoreCode": "586",
    "OnlineChannelCode": 2,
    "OrderCreateDate": "2018-12-18 17:50:08",
    "Items": [
        {
            "OutCommodityCode": "2035253",
            "CommodityQty": 1,
            "CommodityName": "品胜1A充电器",
            "CommodityPrice": 3800,
            "AvailableNum": 6
        },
        {
            "OutCommodityCode": "2040664",
            "CommodityQty": 1,
            "CommodityName": "Z品胜双面USB苹果充电线",
            "CommodityPrice": 3600,
            "AvailableNum": 3
        }
    ]
}

　　

jq . test.json

{
  "Type": "online_confirm_order_bill",
  "Source": "MEITUAN",
  "AreaCode": 2,
  "OutCode": "14769782825369498",
  "OutStoreCode": "586",
  "OnlineChannelCode": 2,
  "OrderCreateDate": "2018-12-18 17:50:08",
  "Items": [
    {
      "OutCommodityCode": "2035253",
      "CommodityQty": 1,
      "CommodityName": "品胜1A充电器",
      "CommodityPrice": 3800,
      "AvailableNum": 6
    },
    {
      "OutCommodityCode": "2040664",
      "CommodityQty": 1,
      "CommodityName": "Z品胜双面USB苹果充电线",
      "CommodityPrice": 3600,
      "AvailableNum": 3
    }
  ]
}

　　

jq .Type test.json

online_confirm_order_bill

　　

jq .Items[] test.json

{
  "OutCommodityCode": "2035253",
  "CommodityQty": 1,
  "CommodityName": "品胜1A充电器",
  "CommodityPrice": 3800,
  "AvailableNum": 6
}
{
  "OutCommodityCode": "2040664",
  "CommodityQty": 1,
  "CommodityName": "Z品胜双面USB苹果充电线",
  "CommodityPrice": 3600,
  "AvailableNum": 3
}

　　

jq .Items[].OutCommodityCode test.json

"2035253"
"2040664"

　　

jq .Items[1].OutCommodityCode test.json

"2040664"

　　

jq -r '.Type,.Source' test.json

online_confirm_order_bill
MEITUAN

　　

cat test.json | jq -r '.Type'

online_confirm_order_bill

　

cat test.json |jq -c '.Items[]|select(.OutCommodityCode | contains("2035253"))'

{"OutCommodityCode":"2035253","CommodityQty":1,"CommodityName":"品胜1A充电器","CommodityPrice":3800,"AvailableNum":6}

　　

cat test.json |jq -c '.Items[]|select(.OutCommodityCode | contains("2035253"))'|jq -r '.CommodityPrice'

3800

　　

https://stedolan.github.io/jq/manual/#Invokingjq

https://github.com/stedolan/jq/wiki/Cookbook