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comp.lang.ruby

hexlify and unhexlify

Jonas Galvez

6/29/2005 12:47:00 AM

Is there any built-in module that does this for me?

def hexlify(msg)
msg.split("").collect { |c| c[0].to_s(16) }.join
end
def unhexlify(msg)
msg.scan(/../).collect { |c| c.to_i(16).chr }.join
end

puts hexlify("In Ruby...")
puts unhexlify("496e20527562792e2e2e")


--Jonas Galvez
1 Answer

Nakada, Nobuyoshi

6/29/2005 1:46:00 AM

0

Hi,

At Wed, 29 Jun 2005 09:46:59 +0900,
Jonas Galvez wrote in [ruby-talk:146716]:
> Is there any built-in module that does this for me?
>
> def hexlify(msg)
msg.unpack("H*")[0]
> end
> def unhexlify(msg)
[msg].pack("H*")
> end
>
> puts hexlify("In Ruby...")
> puts unhexlify("496e20527562792e2e2e")

--
Nobu Nakada