mirror of https://github.com/mikefarah/yq.git
73 lines
950 B
Markdown
73 lines
950 B
Markdown
This is a boolean operator and will return `true` when given a `false` value (including null), and `false` otherwise.
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## Examples
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### Not true is false
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Running
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```bash
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yq eval --null-input 'true | not'
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```
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will output
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```yaml
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false
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```
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### Not false is true
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Running
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```bash
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yq eval --null-input 'false | not'
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```
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will output
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```yaml
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true
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```
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### String values considered to be true
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Running
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```bash
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yq eval --null-input '"cat" | not'
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```
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will output
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```yaml
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false
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```
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### Empty string value considered to be true
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Running
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```bash
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yq eval --null-input '"" | not'
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```
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will output
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```yaml
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false
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```
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### Numbers are considered to be true
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Running
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```bash
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yq eval --null-input '1 | not'
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```
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will output
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```yaml
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false
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```
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### Zero is considered to be true
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Running
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```bash
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yq eval --null-input '0 | not'
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```
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will output
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```yaml
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false
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```
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### Null is considered to be false
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Running
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```bash
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yq eval --null-input '~ | not'
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```
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will output
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```yaml
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true
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```
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