Thanks, this is what I needed
On Jun 11, 9:40 pm, Ulrich Eckhardt <eckha...@satorlaser.com> wrote:
> casebash wrote:
> > I know the bin function converts an int into a binary string.
>
> Binary string sounds ambiguous. Firstly, everything is binary. Secondly,
> strings are byte strings or Unicode strings. In any case, I'm not 100% sure
> what you mean - giving an example of input and output would help!
>
> > Unfortunately, I need to know the length of the binary string when it
> > is being read in and len(bin(x)) depends on x. Is there any way to
> > limit it to 4 bytes?
>
> If you need a piece of four bytes which contain a number in a packed format
> similar to the one used in memory, using bin(x) is the wrong way. Instead,
> take a look at the struct module:
>
> import struct
> struct.pack('=L', 255)
>
> Alternatively, also the array module might help.
>
> Uli
>
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