Simple log in app

first.rb

puts "Enter a Username"
user = gets.chomp
i = 0


while user.length < 5 
	puts "Username must be atleast 5 characters long."
	user = gets.chomp
end

puts "please enter a password"
	pass = gets.chomp

	while pass.length < 5
		puts "Password must be atleast 5 characters long."
		pass = gets.chomp
	end
print "Sign up complete."

puts "Please log in!"
puts "Enter Username."
uname = gets.to_s

	while uname != user
		puts "Try your username again."
		uname = gets.to_s
		i + 1
		unless i == 5
			puts "nope."
		end
	end
puts "enter your password."
pword = gets.to_s

line 24: while loop isn't necessary. or the incrementor.

  while gets.to_s != user
    # i + 1 doesn't change i. i += 1 would increment by 1
    puts "Incorrect. Try again."
  end

line 3, 28-30 don't do anything.

i + 1 # doesn't do anything.
i += 1 # changes the i variable to be one more than it was.