# LibTmux::Server#read_buffer

- **Module:** LibTmux
- **Package:** libtmux
- **Language:** Ruby
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-ruby/blob/da7b6191b9439e3c84fa1c9eeaa9168263ee7af4/gems/libtmux/lib/libtmux/operations.rb#L58
- **Page:** https://libtmux.org/en/ruby/v0.1.1/reference/libtmux-server-read_buffer/

```
def read_buffer: (
  ::String,
  ?timeout: ::Numeric,
  ?cancel: untyped
) -> ::LibTmux::CommandResult
```

Behavior: Buffers.

Behavior contract: Buffers.

## Parameters

- `arg1` (`::String`)
- `timeout` (`::Numeric`)
- `cancel` (`untyped`)

## tmux command

The tmux commands behind `read_buffer`.

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

## tmux C API

The C declarations in tmux that implement these commands.

- [`cmd_save_buffer_entry`](/en/tmux/latest/reference/c-variable-cmd_save_buffer_entry/) (attribute)
- [`cmd_save_buffer_exec`](/en/tmux/latest/reference/c-function-cmd-save-buffer-c-cmd_save_buffer_exec/) (function)

## In other ports

Read a paste buffer's contents

| Language | Equivalent |
| --- | --- |
| Python | [`libtmux.Server.show_buffer`](/en/py/latest/reference/libtmux-server-show_buffer/) (method) |
| Lua | [`libtmux.Server:show_buffer`](/en/lua/latest/reference/libtmux-server-show_buffer/) (method) |
| TypeScript | [`server.Server.showBuffer`](/en/ts/latest/reference/server-server-showbuffer/) (method) |
| Rust | [`server.Server.buffer`](/en/rs/latest/reference/server-server-buffer/) (method) |
| Go | [`tmux.Server.ShowBuffer`](/en/go/latest/reference/tmux-server-showbuffer/) (method) |
| Java | no equivalent on `Server` |
| C# | [`LibTmux.TmuxBuffers.GetAsync`](/en/csharp/latest/reference/libtmux-tmuxbuffers-getasync/) (method) |
| C++ | no equivalent on `Server` |
| Swift | [`Server.buffer(named:)`](/en/swift/latest/reference/server-buffer(named-)/) (method) |

No equivalent is recorded in PowerShell, Julia, Elixir, Kotlin, Scala or F#.