tldr/pages/common/gem.md

gem

Interact with the package manager for the Ruby programming language. More information: https://rubygems.org.

• Search for remote gem(s) and show all available versions:

gem search {{regular_expression}} --all

• Install latest version of a gem:

gem install {{gemname}}

• Install specific version of a gem:

gem install {{gemname}} --version {{1.0.0}}

• Install the latest matching (SemVer) version of a gem:

gem install {{gemname}} --version '~> {{1.0}}'

• Update a gem:

gem update {{gemname}}

• List all local gems:

gem list

• Uninstall a gem:

gem uninstall {{gemname}}

• Uninstall specific version of a gem:

gem uninstall {{gemname}} --version {{1.0.0}}