Alternatively, you can just use splice with a negative offset to remove elements from the end

#!perl
use strict;
use warnings;

while (<DATA>){
  chomp;
  my $aref = [ split /\s+/,$_ ];
  print join ' ', 'Original Array:', @$aref,"\n";

  my $start; my @copy=(); my $i=0;
  for (@$aref){
    push @copy,$_;
    if ($_ == 6){
      $start = $i unless defined $start;
    } elsif (defined $start && $_ == 7){
      splice @copy, $start-$i-1;
      $start = undef;
    }
    ++$i;
  }
  print join ' ','Results:',@copy,"\n"; 
}

__DATA__
1 6 2 2 7 1 6 99 99 7
1 2 2
1 1 6 7 2
1 6 2 2 7 1 6 99 99 7
2 7 6 2 6 7 2 7
1 6 7 7
2 7 6 2 6 2 7
6 7 1 6 7 7
6 8 1 6 7

[download]
poj

In reply to Re^3: Ignore a range of numbers in a List by poj
in thread Ignore a range of numbers ina List by pr33

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.