---
title: dfr all-true
layout: command
version: 0.59.0
---

Returns true if all values are true

## Signature

```> dfr all-true ```

## Examples

Returns true if all values are true
```shell
> [$true $true $true] | dfr to-df | dfr all-true
```

Checks the result from a comparison
```shell
> let s = ([5 6 2 8] | dfr to-df);
    let res = ($s > 9);
    $res | dfr all-true
```