Ruby on Rails Monday, June 24, 2013

On 24 June 2013 17:49, John Merlino <stoicism1@aol.com> wrote:
> I have two hex values and expect back the value "3007"
>
>
> What pack does is take the array of hexes and formats them into a string (if
> ASCII representation, then ASCII character, otherwise the raw hex as
> string). Then I take the string of hexes and unpack them, that is, get the
> unsigned int representation of those bytes:
> [0xBF, 0xB].pack('C*').unpack('I')[0]
>
> So I expect back 3007, but the above produces nil.

Do the operation one step at a time in irb and you will see where it goes wrong.

Colin

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