Ruby Login with TK

login.rb

require 'tk'

class LogIn
   
   def initialize
	ph ={'padx'=>50,'pady'=>30}
	p=proc{hello}
	@text =TkVariable.new
	root=TkRoot.new{title "Hello, Name"}
	top=TkFrame.new(root)
	TkLabel.new(top) {text 'name?'; pack(ph)}
	@entry=TkEntry.new(top, 'textvariable'=>@text)
	@entry.pack(ph)
	TkButton.new(top) { text 'Say Hello'; command p; pack ph}
	TkButton.new(top) { text 'Exit' ; command {proc exit}; pack ph}
	top.pack('fill'=>'both', 'side'=>'top')
   end

   def hello
	@text.value="Hello, "+@text.value
   end
end

LogIn.new
Tk.mainloop