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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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