X-Git-Url: http://git.shiar.net/perl/list-index.git/blobdiff_plain/36f8fe8df9e85055f0feb31985fe1d07a1f74a33..86ab9954f77afe10ac66767d3d79bf2ce51a314d:/lib/List/Index.pm

diff --git a/lib/List/Index.pm b/lib/List/Index.pm
index b11b5f8..e56d771 100644
--- a/lib/List/Index.pm
+++ b/lib/List/Index.pm
@@ -22,12 +22,12 @@ sub ranges {
 	my $length   = $options->{length  } || 4;
 	my $pages    = $options->{pages   } || 1 + int $#$self / $pagesize;
 
-	$pagesize = @$self / $pages;
-	my $offset = $pagesize + .5;
+	$pagesize = $pages >= $#$self ? 1 : @$self / $pages;
 	my $lookbehind = -$context;
 	my $lookahead  =  $context;
+
 	my @links = ('');
-	while ($offset < @$self) {
+	for (my $offset = $pagesize + .5; $offset < @$self; $offset += $pagesize) {
 		my $link = substr $self->[$offset], 0, $length;
 		if ($context) {
 			my $penalty = 0;
@@ -74,12 +74,9 @@ sub ranges {
 			$lookahead = $context - $penalty;
 		}
 
-		push @links, $link;
-		$offset += $pagesize;
+		push @links, $link unless $links[-1] eq $link;
 	}
 
-	use List::MoreUtils 'uniq';
-	@links = uniq @links;
 	for my $i (0 .. $#links - 1) {
 		my ($link, $lastchar) = $links[$i + 1] =~ /(.*)(.)/;
 		$link .= $lastchar le 'a' ? '.' : chr( ord($lastchar) - 1 );