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v4.x
yq
Upgrading from V3
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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:
1
a
:
2
b
:
thing
3
c
:
something
Copied!
then
1
yq
eval
'.a.b = "new" | .a.b style="double"'
sample.yml
Copied!
will output
1
a
:
2
b
:
"new"
3
c
:
something
Copied!
Update and set style of a particular node using path variables
Given a sample.yml file of:
1
a
:
2
b
:
thing
3
c
:
something
Copied!
then
1
yq
eval
'with(.a.b ; . = "new" | . style="double")'
sample.yml
Copied!
will output
1
a
:
2
b
:
"new"
3
c
:
something
Copied!
Set tagged style
Given a sample.yml file of:
1
a
:
cat
2
b
:
5
3
c
:
3.2
4
e
:
true
Copied!
then
1
yq
eval
'.. style="tagged"'
sample.yml
Copied!
will output
1
!!map
2
a
:
!!str
cat
3
b
:
!!int
5
4
c
:
!!float
3.2
5
e
:
!!bool
true
Copied!
Set double quote style
Given a sample.yml file of:
1
a
:
cat
2
b
:
5
3
c
:
3.2
4
e
:
true
Copied!
then
1
yq
eval
'.. style="double"'
sample.yml
Copied!
will output
1
a
:
"cat"
2
b
:
"5"
3
c
:
"3.2"
4
e
:
"true"
Copied!
Set double quote style on map keys too
Given a sample.yml file of:
1
a
:
cat
2
b
:
5
3
c
:
3.2
4
e
:
true
Copied!
then
1
yq
eval
'... style="double"'
sample.yml
Copied!
will output
1
"a"
:
"cat"
2
"b"
:
"5"
3
"c"
:
"3.2"
4
"e"
:
"true"
Copied!
Set single quote style
Given a sample.yml file of:
1
a
:
cat
2
b
:
5
3
c
:
3.2
4
e
:
true
Copied!
then
1
yq
eval
'.. style="single"'
sample.yml
Copied!
will output
1
a
:
'cat'
2
b
:
'5'
3
c
:
'3.2'
4
e
:
'true'
Copied!
Set literal quote style
Given a sample.yml file of:
1
a
:
cat
2
b
:
5
3
c
:
3.2
4
e
:
true
Copied!
then
1
yq
eval
'.. style="literal"'
sample.yml
Copied!
will output
1
a
:
|
-
2
cat
3
b
:
|
-
4
5
5
c
:
|
-
6
3.2
7
e
:
|
-
8
true
Copied!
Set folded quote style
Given a sample.yml file of:
1
a
:
cat
2
b
:
5
3
c
:
3.2
4
e
:
true
Copied!
then
1
yq
eval
'.. style="folded"'
sample.yml
Copied!
will output
1
a
:
>
-
2
cat
3
b
:
>
-
4
5
5
c
:
>
-
6
3.2
7
e
:
>
-
8
true
Copied!
Set flow quote style
Given a sample.yml file of:
1
a
:
cat
2
b
:
5
3
c
:
3.2
4
e
:
true
Copied!
then
1
yq
eval
'.. style="flow"'
sample.yml
Copied!
will output
1
{
a
:
cat
,
b
:
5
,
c
:
3.2
,
e
:
true
}
Copied!
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:
1
a
:
cat
2
"b"
:
5
3
'c'
:
3.2
4
"e"
:
true
Copied!
then
1
yq
eval
'... style=""'
sample.yml
Copied!
will output
1
a
:
cat
2
b
:
5
3
c
:
3.2
4
e
:
true
Copied!
Set style relatively with assign-update
Given a sample.yml file of:
1
a
:
single
2
b
:
double
Copied!
then
1
yq
eval
'.[] style |= .'
sample.yml
Copied!
will output
1
a
:
'single'
2
b
:
"double"
Copied!
Read style
Given a sample.yml file of:
1
{
a
:
"cat"
,
b
:
'thing'
}
Copied!
then
1
yq
eval
'.. | style'
sample.yml
Copied!
will output
1
flow
2
double
3
single
Copied!
Previous
String Operators
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Subtract
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Contents
Update and set style of a particular node (simple)
Update and set style of a particular node using path variables
Set tagged style
Set double quote style
Set double quote style on map keys too
Set single quote style
Set literal quote style
Set folded quote style
Set flow quote style
Reset style - or pretty print
Set style relatively with assign-update
Read style