tldr/pages/common/gem.md

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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 {{regular_expression}} --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}}