suyiiyii/yq
1
0
Fork 0
mirror of https://github.com/mikefarah/yq.git synced 2024-11-12 13:48:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

Tweaking select docs

Browse Source
This commit is contained in:
Mike Farah 2022-01-15 18:22:26 +11:00
parent 21cdbab0d7
commit de0716e875
2 changed files with 32 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
pkg/yqlib/doc/operators/select.md
View File

@ -2,26 +2,6 @@
Select is used to filter arrays and maps by a boolean expression.
## Select elements from array with regular expression
See more regular expression examples under the `string` operator docs.
Given a sample.yml file of:
```yaml
- this_0
- not_this
- nor_0_this
- thisTo_4
```
then
```bash
yq eval '.[] | select(test("[a-zA-Z]+_[0-9]$"))' sample.yml
```
will output
```yaml
this_0
thisTo_4
```
## Select elements from array using wildcard prefix
Given a sample.yml file of:
```yaml
@ -75,6 +55,26 @@ go
going
```
## Select elements from array with regular expression
See more regular expression examples under the `string` operator docs.
Given a sample.yml file of:
```yaml
- this_0
- not_this
- nor_0_this
- thisTo_4
```
then
```bash
yq eval '.[] | select(test("[a-zA-Z]+_[0-9]$"))' sample.yml
```
will output
```yaml
this_0
thisTo_4
```
## Select items from a map
Given a sample.yml file of:
```yaml
@ -92,7 +92,7 @@ cat
dog
```
## Use select + with_entries to filter map keys
## Use select and with_entries to filter map keys
Given a sample.yml file of:
```yaml
name: bob

22
pkg/yqlib/operator_select_test.go
View File

@ -27,16 +27,6 @@ var selectOperatorScenarios = []expressionScenario{
expression: `select(false)`,
expected: []string{},
},
{
description: "Select elements from array with regular expression",
subdescription: "See more regular expression examples under the `string` operator docs.",
document: `[this_0, not_this, nor_0_this, thisTo_4]`,
expression: `.[] | select(test("[a-zA-Z]+_[0-9]$"))`,
expected: []string{
"D0, P[0], (!!str)::this_0\n",
"D0, P[3], (!!str)::thisTo_4\n",
},
},
{
description: "Select elements from array using wildcard prefix",
document: `[cat,goat,dog]`,
@ -65,6 +55,16 @@ var selectOperatorScenarios = []expressionScenario{
"D0, P[3], (!!str)::going\n",
},
},
{
description: "Select elements from array with regular expression",
subdescription: "See more regular expression examples under the `string` operator docs.",
document: `[this_0, not_this, nor_0_this, thisTo_4]`,
expression: `.[] | select(test("[a-zA-Z]+_[0-9]$"))`,
expected: []string{
"D0, P[0], (!!str)::this_0\n",
"D0, P[3], (!!str)::thisTo_4\n",
},
},
{
skipDoc: true,
document: "a: hello",
@ -107,7 +107,7 @@ var selectOperatorScenarios = []expressionScenario{
},
},
{
description: "Use select + with_entries to filter map keys",
description: "Use select and with_entries to filter map keys",
document: `{name: bob, legs: 2, game: poker}`,
expression: `with_entries(select(.key | test("ame$")))`,
expected: []string{