yq/pkg/yqlib/doc/Explode Operator.md

Explodes (or dereferences) aliases and anchors.

Examples

Explode alias and anchor

Given a sample.yml file of:

f:
  a: &a cat
  b: *a

then

yq eval 'explode(.f)' sample.yml

will output

{f: {a: cat, b: cat}}

Explode with no aliases or anchors

Given a sample.yml file of:

a: mike

then

yq eval 'explode(.a)' sample.yml

will output

a: mike

Explode with alias keys

Given a sample.yml file of:

f:
  a: &a cat
  *a: b

then

yq eval 'explode(.f)' sample.yml

will output

{f: {a: cat, cat: b}}

Explode with merge anchors

Given a sample.yml file of:

foo: &foo
  a: foo_a
  thing: foo_thing
  c: foo_c
bar: &bar
  b: bar_b
  thing: bar_thing
  c: bar_c
foobarList:
  b: foobarList_b
  !!merge <<:
    - *foo
    - *bar
  c: foobarList_c
foobar:
  c: foobar_c
  !!merge <<: *foo
  thing: foobar_thing

then

yq eval 'explode(.)' sample.yml

will output

foo:
  a: foo_a
  thing: foo_thing
  c: foo_c
bar:
  b: bar_b
  thing: bar_thing
  c: bar_c
foobarList:
  b: bar_b
  a: foo_a
  thing: bar_thing
  c: foobarList_c
foobar:
  c: foo_c
  a: foo_a
  thing: foobar_thing