Print Emoji in Ruby

emoji.rb

# all emoji
# 1000.times { |i| emoji(127740 + i) + ' ' }

# moon phases
# 8.times { |i| emoji(127761 + i) }

DELAY = 0.3;

# clean screen
def clean
  puts "\e[H\e[2J";
end

def emoji(n)
  print [n].pack('U*');
end

clean()

64.times do
  8.times do |i|
    clean
    emoji(127768 - i)
    puts
    sleep DELAY
  end
end