Method: DataDuck::Commands.prompt_choices

Defined in:
lib/dataduck/commands.rb

.prompt_choices(choices = []) ⇒ Object 



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# File 'lib/dataduck/commands.rb', line 21

def self.prompt_choices(choices = [])
  while true
    print "Enter a number 0 - #{ choices.length - 1}\n"
    choices.each_with_index do |choice, idx|
      choice_name = choice.is_a?(String) ? choice : choice[1]
      print "#{ idx }: #{ choice_name }\n"
    end
    choice = STDIN.gets.strip.to_i
    if 0 <= choice && choice < choices.length
      selected = choices[choice]
      return selected.is_a?(String) ? selected : selected[0]
    end
  end
end