nushell/docs/commands/dfr_not.md

---
title: dfr not
layout: command
version: 0.59.1
---

Inverts boolean mask

## Signature

```> dfr not ```

## Examples

Inverts boolean mask
```shell
> [true false true] | dfr to-df | dfr not
```
Auto-generate markdown command docs (#4451) * Finish updating * a couple improvements * Update renames * cleanup examples 2022-02-14 02:22:51 +00:00			`---`
			`title: dfr not`
			`layout: command`
fix typo, update some examples and regenerate docs (#4718) 2022-03-04 12:10:09 +00:00			`version: 0.59.1`
Auto-generate markdown command docs (#4451) * Finish updating * a couple improvements * Update renames * cleanup examples 2022-02-14 02:22:51 +00:00			`---`

			`Inverts boolean mask`

			`## Signature`

			```> dfr not ```

			`## Examples`

			`Inverts boolean mask`
			```shell
Experiment: Allow both $true/true and $false/false (#4696) * Change true/false to keywords * oops, clippy * Both kinds of bools * Add in some boolean variables * disable py virtualenv test for now 2022-03-03 00:55:03 +00:00			`> [true false true] \| dfr to-df \| dfr not`
Auto-generate markdown command docs (#4451) * Finish updating * a couple improvements * Update renames * cleanup examples 2022-02-14 02:22:51 +00:00			```