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Style

The style operator can be used to get or set the style of nodes (e.g. string style, yaml style)

Update and set style of a particular node (simple)

Given a sample.yml file of:
a:
b: thing
c: something
then
yq '.a.b = "new" | .a.b style="double"' sample.yml
will output
a:
b: "new"
c: something

Update and set style of a particular node using path variables

Given a sample.yml file of:
a:
b: thing
c: something
then
yq 'with(.a.b ; . = "new" | . style="double")' sample.yml
will output
a:
b: "new"
c: something

Set tagged style

Given a sample.yml file of:
a: cat
b: 5
c: 3.2
e: true
then
yq '.. style="tagged"' sample.yml
will output
!!map
a: !!str cat
b: !!int 5
c: !!float 3.2
e: !!bool true

Set double quote style

Given a sample.yml file of:
a: cat
b: 5
c: 3.2
e: true
then
yq '.. style="double"' sample.yml
will output
a: "cat"
b: "5"
c: "3.2"
e: "true"

Set double quote style on map keys too

Given a sample.yml file of:
a: cat
b: 5
c: 3.2
e: true
then
yq '... style="double"' sample.yml
will output
"a": "cat"
"b": "5"
"c": "3.2"
"e": "true"

Set single quote style

Given a sample.yml file of:
a: cat
b: 5
c: 3.2
e: true
then
yq '.. style="single"' sample.yml
will output
a: 'cat'
b: '5'
c: '3.2'
e: 'true'

Set literal quote style

Given a sample.yml file of:
a: cat
b: 5
c: 3.2
e: true
then
yq '.. style="literal"' sample.yml
will output
a: |-
cat
b: |-
5
c: |-
3.2
e: |-
true

Set folded quote style

Given a sample.yml file of:
a: cat
b: 5
c: 3.2
e: true
then
yq '.. style="folded"' sample.yml
will output
a: >-
cat
b: >-
5
c: >-
3.2
e: >-
true

Set flow quote style

Given a sample.yml file of:
a: cat
b: 5
c: 3.2
e: true
then
yq '.. style="flow"' sample.yml
will output
{a: cat, b: 5, c: 3.2, e: true}

Reset style - or pretty print

Set empty (default) quote style, note the usage of ... to match keys too. Note that there is a --prettyPrint/-P short flag for this.
Given a sample.yml file of:
a: cat
"b": 5
'c': 3.2
"e": true
then
yq '... style=""' sample.yml
will output
a: cat
b: 5
c: 3.2
e: true

Set style relatively with assign-update

Given a sample.yml file of:
a: single
b: double
then
yq '.[] style |= .' sample.yml
will output
a: 'single'
b: "double"

Read style

Given a sample.yml file of:
{a: "cat", b: 'thing'}
then
yq '.. | style' sample.yml
will output
flow
double
single