Generate a random emoji bomb via the command-line

emojibomb.rb

#!/usr/bin/env ruby
require 'rubygems'
require 'open-uri'

# Run `emojibomb` to get three emoji.
# Run `emojibomb N`, where `N` is a positive integer to get N emoji.

response = open("http://www.emoji-cheat-sheet.com/")
html = response.read
emoji = html.scan(/:\S+:/)
count = [ARGV.first.to_i, 3].max
bomb = ""
count.times do
  bomb << emoji.sample
end
puts bomb

I found this looking for random emojis in ruby. Here's another way to generate random emojis (I'm unsure about the exact range, but the method is simple).

rand(0x1F601..0x1F64F).chr('UTF-8')

@shiftyp as I really enjoyed your idea, I wrote a quick crawler for https://unicode.org/emoji/charts/full-emoji-list.html and extracted this ranges that I like:

codes = [9193..9203,
 9208..9210,
 9917..9918,
 9924..9925,
 9928..9928,
 9937..9937,
 9939..9940,
 9961..9962,
 9968..9973,
 9975..9978,
 9981..9981,
 9989..9989,
 9992..9997,
 10024..10024,
 10062..10062,
 11088..11088,
 11093..11093,
 127744..127777,
 127780..127891,
 127894..127895,
 127897..127899,
 127902..127984,
 127987..127989,
 127991..127994,
 128000..128253,
 128255..128317,
 128329..128334,
 128336..128359,
 128367..128368,
 128371..128378,
 128400..128400,
 128405..128406,
 128506..128591,
 128640..128709,
 128715..128722,
 128725..128727,
 128755..128764,
 129292..129338,
 129340..129349,
 129351..129535,
 129680..129708]

You can print out all of them using:

codes.flat_map(&:to_a).map { |code| code.chr("UTF-8") }
=> ["⏩",
 "⏪",
 "⏫",
 "⏬",
 "⏭",
 "⏮",
 "⏯",
 "⏰",
 "⏱",
 "⏲",
 "⏳",
 "⏸",
 "⏹",
 "⏺",
 "⚽",
 "⚾",
 "⛄",
 "⛅",
 "⛈",
 "⛑",
 "⛓",
 "⛔",
 "⛩",
 "⛪",
 "⛰",
 "⛱",
 "⛲",
...

You can create a random emoji using this

codes.flat_map(&:to_a).sample.chr("UTF-8")
=> "✅"

https://github.com/github/gemoji
Emoji.all.sample