gem

frontend to RubyGems, the Ruby package manager

TLDR

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

$ gem search [regular_expression] --all
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Install latest version of a gem

$ gem install [gemname]
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Install specific version of a gem

$ gem install [gemname] --version [1.0.0]
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Install the latest matching (SemVer) version of a gem

$ gem install [gemname] --version '~> [1.0]'
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Update a gem

$ gem update [gemname]
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List all local gems

$ gem list
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Uninstall a gem

$ gem uninstall [gemname]
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Uninstall specific version of a gem

$ gem uninstall [gemname] --version [1.0.0]
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Help

RubyGems is a package manager for Ruby. 

  Usage: 
    gem -h/--help 
    gem -v/--version 
    gem command [arguments...] [options...] 

  Examples: 
    gem install rake 
    gem list --local 
    gem build package.gemspec 
    gem push package-0.0.1.gem 
    gem help install 

  Further help: 
    gem help commands            list all 'gem' commands 
    gem help examples            show some examples of usage 
    gem help gem_dependencies    gem dependencies file guide 
    gem help platforms           gem platforms guide 
    gem help            show help on COMMAND 
                                   (e.g. 'gem help install') 
    gem server                   present a web page at 
                                 http://localhost:8808/ 
                                 with info about installed gems 
  Further information: 
    https://guides.rubygems.org 

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