nushell/docs/commands/length.md

---
title: length
layout: command
version: 0.59.1
---

Count the number of elements in the input.

## Signature

```> length --column```

## Parameters

 -  `--column`: Show the number of columns in a table

## Examples

Count the number of entries in a list
```shell
> echo [1 2 3 4 5] | length
```

Count the number of columns in the calendar table
```shell
> cal | length -c
```
Auto-generate markdown command docs (#4451) * Finish updating * a couple improvements * Update renames * cleanup examples 2022-02-14 02:22:51 +00:00			`---`
			`title: length`
			`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			`---`
Add docs for the count command Partial fix of issue #711 2019-11-10 08:42:59 +00:00
Auto-generate markdown command docs (#4451) * Finish updating * a couple improvements * Update renames * cleanup examples 2022-02-14 02:22:51 +00:00			`Count the number of elements in the input.`
Add column flag to count command 2020-08-15 05:36:15 +00:00
Auto-generate markdown command docs (#4451) * Finish updating * a couple improvements * Update renames * cleanup examples 2022-02-14 02:22:51 +00:00			`## Signature`
Add column flag to count command 2020-08-15 05:36:15 +00:00
Auto-generate markdown command docs (#4451) * Finish updating * a couple improvements * Update renames * cleanup examples 2022-02-14 02:22:51 +00:00			```> length --column```
Add docs for the count command Partial fix of issue #711 2019-11-10 08:42:59 +00:00
Auto-generate markdown command docs (#4451) * Finish updating * a couple improvements * Update renames * cleanup examples 2022-02-14 02:22:51 +00:00			`## Parameters`
Add docs for the count command Partial fix of issue #711 2019-11-10 08:42:59 +00:00
Auto-generate markdown command docs (#4451) * Finish updating * a couple improvements * Update renames * cleanup examples 2022-02-14 02:22:51 +00:00			- `--column`: Show the number of columns in a table
First pass at updating all documentation formatting and cleaning up output of examples (#2031) 2020-06-23 18:21:47 +00:00
Update #4455, Regenerate all commands' docs (#4557) 2022-02-20 01:13:33 +00:00			`## Examples`

			`Count the number of entries in a list`
			```shell
			`> echo [1 2 3 4 5] \| length`
			```

			`Count the number of columns in the calendar table`
			```shell
			`> cal \| length -c`
			```