Re: BINARY FILES

["J.D. Smith" <jdsmith(at)astro.cornell.edu>]

David Fanning wrote:
> 
> mohamed nur (mohamed_nur@my-deja.com) writes:
> 
> > I've been dealing with binary files and every case i had to know before
> > hand the dimensions of the array to setup an IDL variable of the said
> > dimesions and read the unformatted data into.
> >
> > But is it possible or is there a method (in IDL 5.2/5.3) to read it in
> > with no knowledge of the dimensions of the array.
> 
> A free Second Edition IDL Programming Techniques book
> to the first person who can find the simple word I
> embedded in this binary sequence:
> 
> 0 1 1 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 1
> 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0
> 0 0 0 0 0 0 0 0 1 1 1 0 1 1 0 0 0 0 0
> 0 0 0 0 0 1 1 0 1 0 0 1 0 0 0 0 0 0 0
> 0 0 1 1 0 0 1 0 0 1 0 1 0 0 0 1 0 1 1
> 0 0 0 0 1 0 0 0 1 1 0 1 1 0 0 0 0 1 0
> 


Hmm... all ascii letters at any offset:

0:hH
1:Ja
2:XF
3:
4:Qa
5:ddvid
6:El
7:

Offset 5 looks promising.  Do we get extra points for detecting typoes?
Does the german Ja or spanish El count?

JD


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