nushell/docs/commands/str_snake-case.md
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---
title: str snake-case
layout: command
version: 0.59.0
---
converts a string to snake_case
## Signature
```> str snake-case ...rest```
## Parameters
- `...rest`: optionally convert text to snake_case by column paths
## Examples
convert a string to camelCase
```shell
> "NuShell" | str snake-case
```
convert a string to camelCase
```shell
> "this_is_the_second_case" | str snake-case
```
convert a string to camelCase
```shell
> "this-is-the-first-case" | str snake-case
```
convert a column from a table to snake-case
```shell
> [[lang, gems]; [nuTest, 100]] | str snake-case lang
```