The packed-binary collection on PLaneT can convert between various binary formats and byte strings. It's patterned after a similar capability in Python.<br><br><div class="gmail_quote">On Sat, Apr 11, 2009 at 7:52 AM, Eli Barzilay <span dir="ltr"><<a href="mailto:eli@barzilay.org">eli@barzilay.org</a>></span> wrote:<br> <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div><div></div><div class="h5">On Apr 11, Erich Rast wrote:<br> > Hi all,<br> ><br> > I'm a bit confused about numbers. A fixnum can hold numbers that fit<br> > into 31 or 63 bits depending on whether the machine is 32 bit or 64<br> > bit, right?<br> ><br> > How do I convert a positive integer number in the range from<br> > 0...4294967295 (inclusive) on any machine to a little-endian encoded 4-<br> > element bytes string?<br> <br> </div></div>You can use (integer->integer-bytes 4294967295 4 #f #f) -- with #f for<br> the `signed?' flag, since otherwise it doesn't fit into 4 bytes.<br> <font color="#888888"><br> --<br> ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay:<br> <a href="http://www.barzilay.org/" target="_blank">http://www.barzilay.org/</a> Maze is Life!<br> _________________________________________________<br> For list-related administrative tasks:<br> <a href="http://list.cs.brown.edu/mailman/listinfo/plt-scheme" target="_blank">http://list.cs.brown.edu/mailman/listinfo/plt-scheme</a><br> </font></blockquote></div><br>