# Table of Contents - open3: Ruby Standard Library Documentation

## Classes and Modules

- Open3
  - What’s Here

## Methods

- ::capture2 — Open3
- ::capture2e — Open3
- ::capture3 — Open3
- ::pipeline — Open3
- ::pipeline_r — Open3
- ::pipeline_rw — Open3
- ::pipeline_start — Open3
- ::pipeline_w — Open3
- ::popen2 — Open3
- ::popen2e — Open3
- ::popen3 — Open3
- #capture2 — Open3
- #capture2e — Open3
- #capture3 — Open3
- #pipeline — Open3
- #pipeline_r — Open3
- #pipeline_rw — Open3
- #pipeline_start — Open3
- #pipeline_w — Open3
- #popen2 — Open3
- #popen2e — Open3
- #popen3 — Open3