class Gem::Commands::UninstallCommand

def check_version # :nodoc:

:nodoc: 
def check_version # :nodoc:
  if options[:version] != Gem::Requirement.default and
       get_all_gem_names.size > 1
    alert_error "Can't use --version with multiple gems. You can specify multiple gems with" \
                " version requirements using `gem uninstall 'my_gem:1.0.0' 'my_other_gem:~>2.0.0'`"
    terminate_interaction 1
  end
end