reading binary data

[Chris Gonnerman]

YES!  Please release it!

----- Original Message -----
From: "Ken Seehof" <kens at sightreader.com>
To: <python-list at python.org>
Sent: Wednesday, March 14, 2001 2:41 PM
Subject: Fw: reading binary data


>
> ----- Original Message -----
> From: "Ken Seehof" <kens at sightreader.com>
> To: "Francois Forest" <francois_forest at yahoo.fr>
> Sent: Wednesday, March 14, 2001 2:37 PM
> Subject: Re: reading binary data
>
>
> > Take a look at the "struct" module.  It has all you need to mess around
> with
> > binary data.  I have an interactive tool (called filecracker) for
reverse
> > engineering binary files using the struct module, but I haven't found
time
> > to release it yet.  If you want, I can email it to you (if enough people
> > respond to this, I'll be motivated to post it in parnassus).
> >
> > BTW, there's a gotcha, that everyone learns the hard way early on.  Make
> > sure you use the 'b' flag when opening binary files.
> >
> > f = open('ni.wav', 'rb')
> >
> > If you don't, the file will be truncated at the first ascii end-of-file
> > marker that happens to be in the binary data.
> >
> > ----- Original Message -----
> > From: "Francois Forest" <francois_forest at yahoo.fr>
> > Newsgroups: comp.lang.python
> > To: <python-list at python.org>
> > Sent: Wednesday, March 14, 2001 3:46 PM
> > Subject: reading binary data
> >
> >
> > > I would like to read and write xxx.wav files,
> > > this assume to alternatively read characters,  integers 16 bits and
> > > integers 32 bits.
> > > I found that I can read a binary file and get the result in a string,
> > > Is there a way to convert a string slice into an int16, int32, or
> > > floatting point ?
> > > (what is usually done in C through a cast).
> > >
> > > More generally, how can I browse through standard libraries ?
> > >
> > > --
> > > http://mail.python.org/mailman/listinfo/python-list
> > >
> >
>
>
> --
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>