Implementation of the "BrainDamage" language.

bd.rb

# Implementation of TheLinx's BrainDamage in Ruby
# => http://gist.github.com/402454
# 

class BrainDamage < Array
  SPACE = 32
  NEWLINE = 10

  def run(file)
    file = get_file_content(file)

    i = 0
    file.each_byte do |char|
      case char
        when SPACE then i += 1
        when NEWLINE then push i and i = 0
      end
    end

    pack("C*") # Teehee, ascii stuwfz
  end

  def get_file_content(file)
    raise RuntimeError, "No input file specified" unless file
    return File.read(file) if File.exist?(file)
    raise RuntimeError, "File #{file} does not exist on the filesystem."
  end
end

puts BrainDamage.new.run(ARGV[0])