Why not just 

sub sortuniq {
  my $aref = shift @_;
  @$aref = sort(uniq(@$aref, @_));
  }

[download]
c:\@Work\Perl\monks>perl -wMstrict -le
"use Test::More tests => 2;
 use List::MoreUtils 'uniq';
 ;;
 my $v = 'ovedpo15';
 my $href = { $v => [5, 3, 2] };
 ;;
 sortuniq ($href->{$v}, 3);
 is_deeply ($href->{$v}, [2, 3, 5], 'Duplicate added, sorted');
 sortuniq ($href->{$v}, 4);
 is_deeply ($href->{$v}, [2, 3, 4, 5], 'Non-duplicate added, sorted');
 ;;
 sub sortuniq {
   my $aref = shift @_;
   @$aref = sort(uniq(@$aref, @_));
   }
"
1..2
ok 1 - Duplicate added, sorted
ok 2 - Non-duplicate added, sorted

[download]

Update: You can shorten that further to
    sub sortuniq { @{$_[0]} = sort(uniq(@{$_[0]}, @_[ 1 .. $#_ ])); }
but that just makes things a bit more messy IMHO.

Give a man a fish:  <%-{-{-{-<

In reply to Re^2: Understanding how sort uniq works by AnomalousMonk
in thread Understanding how sort uniq works by ovedpo15

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