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2026-08-27 21:09:14 +00:00

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---
title: Write a string to a file
sidebarTitle: Write string to file
mode: center
---
Use [`Bun.write()`](/runtime/file-io#writing-files-bun-write) to write a string to disk at an _absolute path_. 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");
```
---
Bun resolves relative paths from the current working directory.
```ts
const path = "./file.txt";
await Bun.write(path, "Lorem ipsum");
```
---
You can pass a `BunFile` as the destination. `Bun.write()` writes 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 [`Bun.write()`](/runtime/file-io#writing-files-bun-write).