auto update docs poc

This commit is contained in:
Mike Farah
2021-10-30 14:40:51 +11:00
parent ab732e0cc6
commit a178934061
2 changed files with 7 additions and 38 deletions
+1 -30
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@@ -3,102 +3,73 @@
This operator is used to provide alternative (or default) values when a particular expression is either null or false.
## LHS is defined
Given a sample.yml file of:
```yaml
a: bridge
```
then
```bash
yq eval '.a // "hello"' sample.yml
```
will output
```yaml
bridge
```
## LHS is not defined
Given a sample.yml file of:
```yaml
{}
```
then
```bash
yq eval '.a // "hello"' sample.yml
```
will output
```yaml
hello
```
## LHS is null
Given a sample.yml file of:
```yaml
a: ~
```
then
```bash
yq eval '.a // "hello"' sample.yml
```
will output
```yaml
hello
```
## LHS is false
Given a sample.yml file of:
```yaml
a: false
```
then
```bash
yq eval '.a // "hello"' sample.yml
```
will output
```yaml
hello
```
## RHS is an expression
Given a sample.yml file of:
```yaml
a: false
b: cat
```
then
```bash
yq eval '.a // .b' sample.yml
```
will output
```yaml
cat
```