Couldn't you just call srand with a specific seed?

perldoc -f srand

I'm also currently reading Knuth.  Book 2 (Chapter 3) is all about random
numbers, lots of good info if you've got the time to absorb it all (I think
my brain is almost full, though... :-)

Lauren


> -----Original Message-----
> From: Doug Rosser [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, May 16, 2000 9:32 AM
> To: Perl-Win32-Users Mailing List
> Subject: pseudo-random number generation, as rand() useless
> 
> 
> It seems that Perl versions later than 5.004 will 
> automatically call srand() if you use rand(). This is totally 
> the opposite of what I need, as I need a consistently 
> reproducible stream of bytes that is "pseudo-random" (because 
> I don't want this stream of bytes to be compressible). I need 
> this pseudo-randomness for network testing. Just iterating 
> over the ASCII character set or somesuch won't work. My 
> byte-stream must be statistically random, but reproducible so 
> I know the network is passing packets without data corruption.
> 
> Anybody know how I can call rand() without Perl assuming I 
> want srand() being called?
> 
> Douglas "X" Rosser
> Intel Contractor Weenie
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