--- lib/Redis.pm	2009/03/21 21:40:53	3
+++ lib/Redis.pm	2009/03/21 22:54:10	9
@@ -5,6 +5,7 @@
 
 use IO::Socket::INET;
 use Data::Dump qw/dump/;
+use Carp qw/confess/;
 
 =head1 NAME
 
@@ -80,15 +81,15 @@
 
 =head2 set
 
-  $r->set( foo => 'bar' );
+  $r->set( foo => 'bar', $new );
 
 =cut
 
 sub set {
-	my ( $self, $k, $v ) = @_;
-	print $sock "SET $k " . length($v) . "\r\n$v\r\n";
+	my ( $self, $k, $v, $new ) = @_;
+	print $sock ( $new ? "SETNX" : "SET" ) . " $k " . length($v) . "\r\n$v\r\n";
 	my $ok = <$sock>;
-	die dump($ok) unless $ok eq "+OK\r\n";
+	confess dump($ok) unless $ok eq "+OK\r\n";
 }
 
 =head2 get
@@ -101,11 +102,69 @@
 	my ( $self, $k ) = @_;
 	print $sock "GET $k\r\n";
 	my $len = <$sock>;
+#	warn "# len: ",dump($len);
+	return undef if $len eq "nil\r\n";
 	my $v;
 	read($sock, $v, $len) || die $!;
+#	warn "# v: ",dump($v);
+	my $crlf;
+	read($sock, $crlf, 2); # skip cr/lf
 	return $v;
 }
 
+=head2 incr
+
+  $r->incr('counter');
+  $r->incr('tripplets', 3);
+
+=cut
+
+sub incr {
+	my ( $self, $key, $value ) = @_;
+	if ( defined $value ) {
+		print $sock "INCRBY $key $value\r\n";
+	} else {
+		print $sock "INCR $key\r\n";
+	}
+	my $count = <$sock>;
+	warn "# $key = $count";
+	return $count;
+}
+
+=head2 decr
+
+  $r->decr('counter');
+  $r->decr('tripplets', 3);
+
+=cut
+
+sub decr {
+	my ( $self, $key, $value ) = @_;
+	if ( defined $value ) {
+		print $sock "DECRBY $key $value\r\n";
+	} else {
+		print $sock "DECR $key\r\n";
+	}
+	my $count = <$sock>;
+	warn "# $key = $count";
+	return $count;
+}
+
+=head2 exists
+
+  $r->exists( 'key' ) && print "got key!";
+
+=cut
+
+sub exists {
+	my ( $self, $key ) = @_;
+	print $sock "EXISTS $key\r\n";
+	my $found = <$sock>;
+	$found =~ s{\r\n$}{};
+	warn "# exists $key = $found";
+	return $found;
+}
+
 =head1 AUTHOR
 
 Dobrica Pavlinusic, C<< <dpavlin at rot13.org> >>