Hi
The "Bitmap handling routines" script at
http://www.rebol.org/utility/bitmap.r can help.
regards
At 09:24 p.m. 09/01/00 , you wrote:
>Hi,
>I want to make a script which will analyze a gif files.
>to read file i use:
> >> gif: read/binary %my.gif
>== #{
>47494638396196005900B30000FFFFFFE2E2E2C2C2C2A2A2A28181815B5B5B31
>31310101010000000000000000000000000000000000000000000000002C...
>
>....but how to work with this binary type?
>
>I know that first 3 bytes means the signature... next 3 bytes version ... etc.
>so:
> >> to-string #{474946}
>== "GIF"
> >> to-string #{383961}
>== "89a"
>
>than 8. and 7. byte means the Logical Screen Width:
> >> to-integer #{0096}
>== 150
>
>
>What I don't know is how to parse the binary type
>(for example how to get the first 3 bytes or the seventh byte)?
>
>Is there any way how to get from binary #{4749463839619600} string
>"4749463839619600" ?
>
>oLdes
>
>
>
--
Luis Marzulli
e-mail: [EMAIL PROTECTED]
Caracas, VENEZUELA
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