---
title: rename
category: CLI
layout: 2017/sheet
---

### Installation

```bash
brew install rename
```

See: <http://plasmasturm.org/code/rename/>

### Regex substitution

```bash
rename 's/hello/world/' *.txt
```

Rename `hello.txt` to `world.txt` and so on in `*.txt`.

### Replace extension

```bash
rename -s .png .jpg.png *.png
```

Replace `.png` with `.jpg.png` in `*.png`.
      

### Options

| `-n` | Simulation
| `-l` | Symlink instead of rename
| `-i` | Interactive

## Also see

- [Rename website](http://plasmasturm.org/code/rename/) _(plasmasturm.org)_