method

choose_from_list

v1_9_3_125 - Show latest stable - 0 notes - Class: StreamUI

1_8_6_287
1_8_7_72
1_8_7_330
1_9_1_378
1_9_2_180
1_9_3_125 (0)
1_9_3_392 (0)
2_1_10 (0)
2_2_9 (0)
2_4_6 (0)
2_5_5 (0)
2_6_3 (0)
What's this?

choose_from_list(question, list) public

Choose from a list of options. question is a prompt displayed above the list. list is a list of option strings. Returns the pair [option_name, option_index].

Show source

# File lib/rubygems/user_interaction.rb, line 151
  def choose_from_list(question, list)
    @outs.puts question

    list.each_with_index do |item, index|
      @outs.puts " #{index+1}. #{item}"
    end

    @outs.print "> "
    @outs.flush

    result = @ins.gets

    return nil, nil unless result

    result = result.strip.to_i - 1
    return list[result], result
  end

choose_from_list

Related methods