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---
name: Write a string to a file
---

This code snippet writes a string to disk at a particular _absolute path_.

It uses the fast [`Bun.write()`](/docs/api/file-io#writing-files-bun-write) API to efficiently write data to disk. The first argument is a _destination_; the second is the _data_ to write.

```ts
const path = "/path/to/file.txt";
await Bun.write(path, "Lorem ipsum");
```

---

Any relative paths will be resolved relative to the project root (the nearest directory containing a `package.json` file).

```ts
const path = "./file.txt";
await Bun.write(path, "Lorem ipsum");
```

---

You can pass a `BunFile` as the destination. `Bun.write()` will write the data to its associated path.

```ts
const path = Bun.file("./file.txt");
await Bun.write(path, "Lorem ipsum");
```

---

`Bun.write()` returns the number of bytes written to disk.

```ts
const path = "./file.txt";
const bytes = await Bun.write(path, "Lorem ipsum");
// => 11
```

---

See [Docs > API > File I/O](/docs/api/file-io#writing-files-bun-write) for complete documentation of `Bun.write()`.
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AgeCommit message (Expand)AuthorFilesLines
2023-11-01[ci] release (#8975)astro@3.4.2@astrojs/underscore-redirects@0.3.2Gravatar Houston (Bot) 36-76/+72
2023-11-01[ci] formatGravatar matthewp 1-12/+13
2023-11-01feat(dev-overlay): Add a tooltip on plugin hover / focus (#8978)Gravatar Erika 3-3/+46
2023-11-01Prevent the route announcer from being visible (#8977)Gravatar Matthew Phillips 6-18/+64
2023-11-01feat: new event to toggle a plugin from itself (#8968)Gravatar Erika 2-4/+13
2023-11-01Fix ViewTransitions example (#8976)Gravatar Matthew Phillips 1-3/+1
2023-11-01feat(underscore-redirects): add `base` to input paths (#8953)Gravatar Alexander Niebuhr 2-6/+17
2023-11-01[ci] formatGravatar lilnasy 2-3/+3
2023-11-01fix(slots): consume eagerly rendered slot after one use (#8929)Gravatar Arsh 6-2/+59
2023-11-01[ci] release (#8934)create-astro@4.5.0astro@3.4.1@astrojs/vue@3.0.3@astrojs/sitemap@3.0.3@astrojs/partytown@2.0.2@astrojs/markdoc@0.7.1Gravatar Houston (Bot) 50-122/+120
2023-11-01Undo the halloween theme (#8959)Gravatar Elian ☕️ 3-26/+24
2023-10-31refactor: dev overlay to make it easier to work with VT (#8966)Gravatar Erika 10-293/+386
2023-10-31[ci] formatGravatar matthewp 1-9/+9
2023-10-31Move VT route announcer styles to a class (#8965)Gravatar Matthew Phillips 3-4/+21
2023-10-31Three small improvements for handling client-only in view transitions (#8964)Gravatar Martin Trapp 1-2/+10
2023-10-30chore(deps): Upgrade Zod to @latest (#8762)Gravatar Eva Decker 6-11/+26