# libtmux.Server.save_buffer

- **Module:** libtmux
- **Package:** libtmux
- **Language:** Python
- **Kind:** method
- **Source:** https://github.com/tmux-python/libtmux/blob/38e368c11117fb4aeb2f082d552cd4f210eae06a/src/libtmux/server.py#L1896
- **Page:** https://libtmux.org/en/py/stable/reference/libtmux-server-save_buffer/

tmux command: [`save-buffer`](/en/tmux/latest/manual/save-buffer/)

```
libtmux.Server.save_buffer(
    self,
    path: StrPath,
    buffer_name: str | None = None,
    append: bool | None = None,
) -> None
```

Save a paste buffer to a file via [`$ tmux save-buffer`](/en/tmux/latest/manual/save-buffer/).

## Examples

```python
>>> import pathlib
>>> server.set_buffer('save_me')
>>> path = pathlib.Path(request.config.rootdir) / '..' / 'tmp_save.txt'
>>> server.save_buffer(str(path))
```

## Parameters

- `path` (`StrPath`): File path to save the buffer to.
- `buffer_name` (`str | None`): Name of the buffer (``-b`` flag). Defaults to the most recent.
- `append` (`bool | None`): Append to the file instead of overwriting (``-a`` flag).

## In other ports

### Write a paste buffer to a file

- TypeScript: [`server.Server.saveBuffer`](/en/ts/latest/reference/server-server-savebuffer/) (method)
- Go: [`tmux.Server.SaveBuffer`](/en/go/latest/reference/tmux-server-savebuffer/) (method)
- C#: [`LibTmux.TmuxBuffers.SaveAsync`](/en/csharp/latest/reference/libtmux-tmuxbuffers-saveasync/) (method)
- C++: [`libtmux::Server::save_buffer`](/en/cxx/latest/reference/libtmux-server-save_buffer/) (method)
- Swift: [`Server.saveBuffer(named:to:)`](/en/swift/latest/reference/server-savebuffer(named-to-)/) (method)