Reading/writing binary data.

[Jeff Smith]

On Mon, 8 Apr 2002, Ben Logan wrote:

> Hello,
> 
> I've been searching the Python (1.5) docs, but am unable to find any
> functions to read/write binary data from/to a file.  Under the "open"
> function I see that you can append a "b" to the mode to specify binary
> mode, but that doesn't help me any.
> 
> For example, if I want to take a list of numbers like [64,66,67] and
> write them to a file as binary, how would I do that?  I also need to
> be able to control whether the data is written in big endian or little
> endian format.
> 
> BTW, I'm running Redhat 7.1 on an Intel processor.
> 
> Thanks,
> Ben
> 
> -- 
> Ben Logan: ben at wblogan dot net
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> 
> Overdrawn?  But I still have checks left!
> 
> 
> -- 
> http://mail.python.org/mailman/listinfo/python-list
> 

The array module has everything you need. You can use the tofile and
fromfile methods to read and write binary data, the tolist and fromlist
methods to switch data to/from lists, and the byteswap method for swapping
between big- and little-endian.

Jeff Smith