Ruby and RoR Offline Documentation

Ruby lang Documentation

Online:
- Guides: https://guides.rubyonrails.org/
- API: https://api.rubyonrails.org/
Offline:
- Download latest version of rails from GitHub: https://github.com/rails/rails/archive/refs/heads/main.zip
- Unzip
- Run rdoc sdoc (searchable doc): documentation available in doc
- Go the guides directory, bundle and then rake guides:generate:html: Documentation available in output
  
  As a script:
```
curl https://github.com/rails/rails/archive/refs/heads/main.zip \
     -o rails-main.zip
unzip rails-main.zip
cd rails-main
rdoc sdoc
cd guides
bundle
rake guides:generate:html
```