bun-types/docs/guides/util/which-path-to-executable-bin.mdx

Type definitions and documentation for Bun, an incredibly fast JavaScript runtime

---
title: Get the path to an executable bin file
sidebarTitle: Find executable path
mode: center
---

`Bun.which` is a utility function to find the absolute path of an executable file. It is similar to the `which` command in Unix-like systems.

```ts foo.ts icon="/icons/typescript.svg"
Bun.which("sh"); // => "/bin/sh"
Bun.which("notfound"); // => null
Bun.which("bun"); // => "/home/user/.bun/bin/bun"
```

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See [Docs > API > Utils](/docs/runtime/utils#bun-which) for complete documentation.