Generate ascii strings

random_strings.rb

#!/usr/bin/env ruby -w

class BitString

  attr_accessor :bit_string

  def initialize string_length
    @bit_string = random_bit_string string_length
  end 

  def random_bit_string length
    arr = Array.new length
    length.times {|i| arr[i] = random_bit}
    arr.join
  end

  def random_bit
    rand(100) % 2
  end

  def to_ascii
    arr = []
    bit_string.scan(/[01]{7}/).each do |str|
      arr << str.to_i(2).chr if str.length == 7
    end
    arr.join
  end
end
 
class RandomStrings

  attr_accessor :str_length, :str_count

  def initialize string_length, string_count
    @str_length = string_length
    @str_count = string_count
  end 

  def run
    str_count.times do
      p BitString.new(str_length).to_ascii
    end
  end
end 
 
if __FILE__ == $0 
  length_of_string = ARGV[0].to_i
  number_of_strings = ARGV[1].to_i
  RandomStrings.new(length_of_string, number_of_strings).run
end