JQ:两个数组的setdiff

Question

如果我有一个包含两个数组的对象，其中包含唯一值

{"all":["A","B","C","ABC"],"some":["B","C"]}

我如何找到 .all - .some ?

在这种情况下，我正在寻找 ["A","ABC"]

Answer 1

@Jeff Mercado 让我大吃一惊!我不知道允许数组减法...

echo -n '{"all":["A","B","C","ABC"],"some":["B","C"]}' | jq '.all-.some'

产量

[
  "A",
  "ABC"
]