From: Eric Hodel <drbrain@...7.net>
Date: 2008-07-06T04:50:33+09:00
Subject: Re: Problem with unpack

On Jul 4, 2008, at 08:36 AM, Rafael wrote:
> On 3 Jul., 02:52, Eric Hodel <drbr...@segment7.net> wrote:
>> the regex you want is: /\0\020\010\0/
>>
>> The big piece of code you wrote can be reduced to file.read(512) =~ /
>> \0\020\010\0/.  There's no need to convert all the text.
>>
>> Note that there is a bug in your code, it will also match on a half-
>> byte:
>>
>> 00000100  33 32 35 31 02 00 10 00  55 49 14 00 31 2e 32 2e
>> XXXXXXXX  33 32 35 30 20 01 00 01  55 49 14 00 31 2e 32 2e
>>                      ^^^^^^^^^^^^
>>
>> The regex solution does not have this bug.
>
> Hi,
>
> thanks again for your message. You're absolutely right about the
> bug ... how stupid of me!
>
> But regarding the regular expression, shouldn't it be something like /
> \x02\x00\x10\x00/ ?

Yes! sorry!