"Nikos" <nkour***@freemail.gr> wrote in message
news:%23zJV0h5OFHA.1528@TK2MSFTNGP09.phx.gbl...
> Hi... I would like to search for a hex string (for example: "E903") inside
> a binary file...
> Although I open the file correctly, how do I search hex values?
> Thanks in advance!
> Nikos
>
>
>

"Nicholas Paldino [.NET/C# MVP]" <mvp@spam.guard.caspershouse.com> wrote in
message news:%23OV9UB6OFHA.1396@TK2MSFTNGP10.phx.gbl...
> Nikos,
>
>    Are you looking for the character string "E903" or for the two-byte
> value 59651?  Either way, once you know what bytes you are looking for,
> you need to open the file with a FileStream, and cycle through all of the
> bytes, looking one-by-one for a match.
>
>    Hope this helps.
>
>
> --
>               - Nicholas Paldino [.NET/C# MVP]
>               - mvp@spam.guard.caspershouse.com
>
> "Nikos" <nkour***@freemail.gr> wrote in message
> news:%23zJV0h5OFHA.1528@TK2MSFTNGP09.phx.gbl...
>> Hi... I would like to search for a hex string (for example: "E903")
>> inside a binary file...
>> Although I open the file correctly, how do I search hex values?
>> Thanks in advance!
>> Nikos
>>
>>
>>
>
>

"Nikos" <nkour***@freemail.gr> wrote in message
news:uvJzQQ6OFHA.244@TK2MSFTNGP12.phx.gbl...
> Thanks for the reply... I am actually looking for character string
> "E903"...
> I am stuck with the search routine. How to search hex values?
> Should I load all file contents to an array and search? Or,  is it
> possible to just read the file byte after byte and examine the offset of
> the search string?
> Nikos
>
>
>
> "Nicholas Paldino [.NET/C# MVP]" <mvp@spam.guard.caspershouse.com> wrote
> in message news:%23OV9UB6OFHA.1396@TK2MSFTNGP10.phx.gbl...
>> Nikos,
>>
>>    Are you looking for the character string "E903" or for the two-byte
>> value 59651?  Either way, once you know what bytes you are looking for,
>> you need to open the file with a FileStream, and cycle through all of the
>> bytes, looking one-by-one for a match.
>>
>>    Hope this helps.
>>
>>
>> --
>>               - Nicholas Paldino [.NET/C# MVP]
>>               - mvp@spam.guard.caspershouse.com
>>
>> "Nikos" <nkour***@freemail.gr> wrote in message
>> news:%23zJV0h5OFHA.1528@TK2MSFTNGP09.phx.gbl...
>>> Hi... I would like to search for a hex string (for example: "E903")
>>> inside a binary file...
>>> Although I open the file correctly, how do I search hex values?
>>> Thanks in advance!
>>> Nikos
>>>
>>>
>>>
>>
>>
>
>

> Nikos,
>
>    I would just read the file byte by byte, keeping a buffer of the last n
> bytes read, where n is the length of the bytes you want to search for.  If
> you are looking for that character string, then you should use the
> GetBytes method on the AsciiEncoder class in the System.Text namespace to
> get the bytes that the string actually is comprised of.
>
>