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. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]