Jq-提取最后一个元素(无数组)

Question

如何提取最后一个元素-"日期"？

预期输出="2019_10_29_12_01_01">

$ cat snapshots.json | jq '.snapshots[] | select (.state == "SUCCESS") | {date: .snapshot}'
{
"date": "2019_10_21_12_01_01"
}
{
"date": "2019_10_28_00_01_01"
}
{
"date": "2019_10_29_12_01_01"
}

Answer 1

使用last，例如：

last(.snapshots[] | select(.state == "SUCCESS"))
| .snapshot