Using or in a select

[joelanford]

I have a multi-document YAML file and I'm trying to filter it down to a smaller set of documents based on a boolean expression that uses or. Here's a reproducer:

Version

yq version: 4.7.1

Input

File test.yaml:

---
a: hello
---
b: world

yq command:

yq e 'select(.a == "hello" or .b == "world")' test.yaml

Expected Output

a: hello
---
b: world

Actual Output

Nothing is printed

Background

I tried removing the select to see if I somehow messed up my boolean expression:
yq command:

yq e '.a == "hello" or .b == "world"' test.yaml

And the output here is what I would have expected:

true
---
true

Am I doing something wrong or have I discovered a bug?

[mikefarah]

quick look at this and it looks like it's a bug. Can't work out what's going on - need to investigate further.

As a work around this works:

select(.a == "hello"), select(.b == "world")

[mikefarah]

@joelanford this has been fixed in 4.8.0 :)