Random BF Generator

randombf.rb

def genBF(seed, length)
	prng = Random.new(seed)
	program = ""
	loopDepth = 0
	length.times do 
		ins = [?+, ?-, ?<, ?>, ?,, ?., ?+, ?-, ?<, ?>, ?,, ?., ?[, ?]].sample(random: prng)
		ins = ?[ if loopDepth <= 0 and ins == ?]
		loopDepth += 1 if ins == ?[
		loopDepth -= 1 if ins == ?]
		program += ins
	end
	loopDepth.times do
		program += ?]
	end
	File.open("random.bf", "w") do |file|
		file.write program
	end
end


def main()
	print "SEED: "
	seed = gets.chomp.to_i
	print "LENGTH: "
	length = gets.chomp.to_i
	genBF(seed, length)
end
main()