On Oct 17, Nandita Mullapudi said:

> I have a list of elements-  and for every element in the
>list, I want to carry out an operation with the previous
>element or the next one, as the case might be, how do I tell
>perl to look at the previous element?

I'd just do something like:

  my $last = undef;
  for my $current (@array) {
    # ...
    $last = $current;
  }

-- 
Jeff "japhy" Pinyan      [EMAIL PROTECTED]      http://www.pobox.com/~japhy/
RPI Acacia brother #734   http://www.perlmonks.org/   http://www.cpan.org/
<stu> what does y/// stand for?  <tenderpuss> why, yansliterate of course.
[  I'm looking for programming work.  If you like my work, let me know.  ]


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