Script to help study and understand conversions from binary to decimal or decimal to binary

gistfile1.rb

puts
puts "Do CTRL+C at anytime to end the program.\nCoded by Kenneth Uy / missingno15"

#Option to study Binary→Decimal or Decimal→Binary
puts "\nPress 1 to study Binary→Decimal\nPress 2 to study Decimal→Binary"
print "> "; option = gets.chomp

#Checks to make sure that user input is only either 1 or 2
until option == "1" || option == "2"
  puts "\nSorry! Invalid option! Please try again!"

  puts "\nPress 1 to study Binary→Decimal\nPress 2 to study Decimal→Binary"
  print "> "; option = gets.chomp
end


if option == "1"

  puts "\nBinary→Decimal initialized"

  base2 = [0,1]
  binary = ""
  rand_digit = rand(1..8)
  
  #Generates a binary number up to 8 digits
  until binary.length == rand_digit
    binary = binary + base2.sample.to_s
  end 

  loop do
    puts "\nWhat is #{binary} in decimal?"
    print "> "; answer = gets.chomp
    puts "The answer is #{binary.to_i(2)}.\n"
    
    #Resets binary number	  
    binary = ""  
    until binary.length == rand_digit
      binary = binary + base2.sample.to_s
    end 

    rand_digit = rand(1..8) #Resets random number of digits
  end

else 

  puts "\nDecimal→Binary initialized"

  #Generates random decimal number
  decimal = rand(1..128)

  loop do
    puts "\nWhat is #{decimal} in binary?"
    print "> "; answer = gets.chomp
    puts "The answer is #{decimal.to_s(2)}.\n"
	  
    decimal = rand(1..256)  # Resets binary number
  end
end


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#  Links that helped me out:
# 
#  http://stackoverflow.com/questions/2339695/how-to-convert-a-string-or-integer-to-binary-in-ruby
#  http://stackoverflow.com/questions/198460/how-to-get-a-random-number-in-ruby
#
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