method

get_one_gem_name

v2_6_3 - Show latest stable - Class: Gem::Command

get_one_gem_name()

public

Get a single gem name from the command line. Fail if there is no gem name or if there is more than one gem name given.

# File lib/rubygems/command.rb, line 214
  def get_one_gem_name
    args = options[:args]

    if args.nil? or args.empty?
      raise Gem::CommandLineError,
            "Please specify a gem name on the command line (e.g. gem build GEMNAME)"
    end

    if args.size > 1
      raise Gem::CommandLineError,
            "Too many gem names (#{args.join(', ')}); please specify only one"
    end

    args.first
  end

get_one_gem_name

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