bun.sh/docs/guides/write-file/file-cp.md

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Copy a file to another location

This code snippet copies a file to another location on disk.

It uses the fast Bun.write() API to efficiently write data to disk. The first argument is a destination, like an absolute path or BunFile instance. The second argument is the data to write.

const file = Bun.file("/path/to/original.txt");
await Bun.write("/path/to/copy.txt", file);

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See Docs > API > File I/O for complete documentation of Bun.write().