Techbrunch · July 8, 2018 09:34
diff --git a/intercal_decode.rb b/intercal_decode.rb
 arr = [238,140,120,0,112,154,194,172,72,32,24,240,160,232,26,52]
 def decode(pos = 0, array)
  array.map { |x|
    pos = (256 + pos - x) % 256
    pos.to_s(2)
       .rjust(8, '0')
       .reverse
       .to_i(2)
       .chr
  }.join
 end

 puts decode(arr)

 # Happy Birthday!
	arr = [238,140,120,0,112,154,194,172,72,32,24,240,160,232,26,52]
	def decode(pos = 0, array)
	array.map { \|x\|
	pos = (256 + pos - x) % 256
	pos.to_s(2)
	.rjust(8, '0')
	.reverse
	.to_i(2)
	.chr
	}.join
	end

	puts decode(arr)

	# Happy Birthday!