tldr/pages/common/gem.md

gem

A package manager for the Ruby programming language. More information: https://guides.rubygems.org.

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

gem search {{regex}} --all

• Install the latest version of a gem:

gem install {{gem_name}}

• Install a specific version of a gem:

gem install {{gem_name}} --version {{1.0.0}}

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

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

• Update a gem:

gem update {{gem_name}}

• List all local gems:

gem list

• Uninstall a gem:

gem uninstall {{gem_name}}

• Uninstall a specific version of a gem:

gem uninstall {{gem_name}} --version {{1.0.0}}