anshulverma/cliqr

#!/usr/bin/env ruby

# The simple sort script from root README

require 'cliqr'

cli = Cliqr.interface do
  name 'numbers'
  description 'A simplistic example for quickly getting started with cliqr.'
  version '0.0.1' # optional; adds a version action to our simple command

  # main command handler
  handler do
    puts "Hi #{name}" if name?
    puts 'Nothing to do here. Please try the sort action.'
  end

  option :name do
    description 'Your name.'
    operator do
      value.split(' ').first # only get the first name
    end
  end

  action :sort do
    description 'Sort a set of random numbers'

    handler do
      fail StandardError, 'count should be a non-zero positive number' unless count > 0
      result = [].tap { |numbers| count.times { numbers << rand(9999) } }.sort
      result = result.reverse if order? && order == :descending
      puts result
    end

    option :count do
      short 'c' # optional, but usually a good idea to have it
      description 'Count of something.'
      type :numeric # restricts values for this option to numbers
    end

    option :order do
      short 'o'
      description 'Order of sort (either :ascending or :descending).'

      # This is how you can make sure that the input is valid.
      operator do
        fail StandardError, "Unknown order #{value}" unless [:ascending, :descending].include?(value.to_sym)
        value.to_sym
      end
    end
  end
end

cli.execute(ARGV)