Hi,

I first thought that Marshall's solution looked a bit complicated, but I ended up with something quite similar:

#!/usr/bin/perl
use warnings;
use strict;
use Data::Dumper;

my $aref = [6, 1, 7, 6, 2, 2, 7, 1, 6, 99, 99, 7, 88, 7, 6, 1, 2, 3];
my (@temp, @result);
my $flag = 0;

for my $num (@$aref) {
    $flag = 1 if $num == 6;
    if ($flag) {
        push @temp, $num;
    } else {
        push @result, $num;
    }
    if ($num == 7) {
        @temp = ();
        $flag = 0;
    } 
}
push @result, @temp;
print Dumper \@result;
[download]

This may be slightly simpler, but only by a thin margin.

Using references to the @result and @temp arrays rather that a $flag can make the for loop significantly shorter:

#!/usr/bin/perl
use warnings;
use strict;
use Data::Dumper;

my $aref = [1, 7, 6, 2, 2, 7, 1, 2, 6, 99, 99, 7, 88, 7, 6, 1, 2, 3];
my (@temp, @result);
my $target_ref = \@result;

for my $num (@$aref) {
    $target_ref = \@temp if $num == 6;
    push @$target_ref, $num;
    $target_ref = \@result, @temp = () if $num == 7;
}
push @result, @temp;
print Dumper \@result;
[download]

but this may seem less simple, at least for a beginner.

Output:

$ perl range4.pl
$VAR1 = [
          1,
          7,
          1,
          2,
          88,
          7,
          6,
          1,
          2,
          3
        ];
[download]

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