execute

# File lib/rubygems/commands/yank_command.rb, line 53
  def execute
    @host = options[:host]

    sign_in @host

    version   = get_version_from_requirements(options[:version])
    platform  = get_platform_from_requirements(options)

    if version then
      yank_gem(version, platform)
    else
      say "A version argument is required: #{usage}"
      terminate_interaction
    end
  end