Generating machine unreadable word.

avoidsearch.rb

#!/usr/bin/env ruby
# coding: utf-8

class AvoidSearch
  Delimiter = "!\"#\$%&'()-=^~\|@`[{;+:*]},<.>/?\\_"
  
  def initialize(word="", sym="")
    @word = word.split(//)
    @sym = sym
  end

  def delimiter
    @sym != "" ? @sym : Delimiter[(rand * 100) % Delimiter.length]
  end
  
  def spam
    result = @word.shift
    @word.each do |w|
      result += self.delimiter + w
    end
    result
  end
end

word = "もふもふ"
sym  = "もふ"

case ARGV.length
when 1
  word = ARGV[0]
when 2
  word = ARGV[0]
  sym  = ARGV[1]
end

# example
a = AvoidSearch.new(word, sym)
puts a.spam