Bash JQ在JSON文件中获取多个值问题

时间:2016-10-07 09:28:32

标签: json bash jq

我试图解析JSON文件以获取多个值。我知道如何解析数组(.info.file.hashes[])中的具体值(" A" /" B" /" C")。

例如:在文件b.json

上发出以下命令时
jq -r '.info.file.hashes[] | select(.name == ("A","B","C")).value' b.json

结果:

f34d5f2d4577ed6d9ceec516c1f5a744
66031dad95dfe6ad10b35f06c4342faa
9df25fa4e379837e42aaf6d05d92012018d4b659  

b.json

{
  "Finish": 1475668827,
  "Start": 1475668826,
  "info": {
    "file": {
      "Score": 4,
      "file_subtype": "None",
      "file_type": "Image",
      "hashes": [
        {
          "name": "A",
          "value": "f34d5f2d4577ed6d9ceec516c1f5a744"
        },
        {
          "name": "B",
          "value": "66031dad95dfe6ad10b35f06c4342faa"
        },
        {
          "name": "C",
          "value": "9df25fa4e379837e42aaf6d05d92012018d4b659"
        },
        {
          "name": "D",
          "value": "4a51cc531082d216a3cf292f4c39869b462bf6aa"
        },
        {
          "name": "E",
          "value": "e445f412f92b25f3343d5f7adc3c94bdc950601521d5b91e7ce77c21a18259c9"
        }
      ],
      "size": 500
    }
  }
}

现在,我如何通过"完成","开始"来获得多个值。以及哈希值?我试过发出命令。

 jq -r '.info.file.hashes[] | select(.name == ("A","B","C")).value','.Finish','.Start' b.json 

我得到的结果为:

f34d5f2d4577ed6d9ceec516c1f5a744
null
66031dad95dfe6ad10b35f06c4342faa
null
9df25fa4e379837e42aaf6d05d92012018d4b659
null
null
null

预期结果:

f34d5f2d4577ed6d9ceec516c1f5a744
66031dad95dfe6ad10b35f06c4342faa
9df25fa4e379837e42aaf6d05d92012018d4b659
1475668827
1475668826

1 个答案:

答案 0 :(得分:3)

字面上刚刚下载并阅读了手册

尝试

jq '(.info.file.hashes[] |select(.name == ("A","B","C")).value), .Finish, .Start' b.json

"f34d5f2d4577ed6d9ceec516c1f5a744"
"66031dad95dfe6ad10b35f06c4342faa"
"9df25fa4e379837e42aaf6d05d92012018d4b659"
1475668827
1475668826

请注意用于将管道分别与“完成”和“开始”值分组的括号。