Código
#!usr/bin/ruby #Hex Converter 0.1 #Coded By Doddy H def head() print "\n -- == Hex Converter 0.1 == --\n" end def copyright() print "\n\n(C) Doddy Hackman 2012\n\n" exit(1) end def sintax() print "\n\n[+] ruby hex.rb <text>\n" end def encodehex(texto) return "0x"+(texto.unpack('H*')[0]) end def hex(texto) print "\n\n[+] Text : #{texto}\n" print "[+] Result : "+encodehex(texto)+"\n\n" end texto = ARGV[0] head() if !texto sintax() else hex(texto) end copyright() # The End ?