jq:对对象值进行排序

$ echo '[{"name": "Alice", "age": 25}, {"name": "Bob", "age": 30}, {"name": "Charlie", "age": 20}]' | jq 'sort_by(.age)'

[
  {
    "name": "Charlie",
    "age": 20
  },
  {
    "name": "Alice",
    "age": 25
  },
  {
    "name": "Bob",
    "age": 30
  }
]