yq/pkg/yqlib/doc/Anchor Operators.md

Get anchor

Given a sample.yml file of:

a: &billyBob cat

then

yq eval '.a | anchor' sample.yml

will output

billyBob

Set anchor name

Given a sample.yml file of:

a: cat

then

yq eval '.a anchor = "foobar"' sample.yml

will output

a: &foobar cat