On Jan 4, Kipp, James said:

>buy not exactly sure how this is working. tried looking at perldoc pack
>but no luck. explanation is appreciated.
>
>$sum = unpack("%32C*", $string);

That is a 32-bit checksum (which means the sum is taken mod 2**32).  It
does what your loop did (summing the ASCII values of each character) but
it does it internally (in the C code of Perl, rather than in your Perl
code).

-- 
Jeff "japhy" Pinyan      [EMAIL PROTECTED]      http://www.pobox.com/~japhy/
RPI Acacia brother #734   http://www.perlmonks.org/   http://www.cpan.org/
** Look for "Regular Expressions in Perl" published by Manning, in 2002 **
<stu> what does y/// stand for?  <tenderpuss> why, yansliterate of course.


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