=head1 NAME

rrdtool last - Return the date of the last data sample in an B<RRD>

=for html <div align="right"><a href="rrdlast.pdf">PDF</a> version.</div>

=head1 SYNOPSIS

B<rrdtool> B<last> I<filename>

=head1 DESCRIPTION

The B<last> function returns the UNIX timestamp when the RRD was last
updated.

=over 8

=item I<filename>

The name of the B<RRD> that contains the data.

=back

=head1 AUTHOR

Russ Wright <rwwright@home.com>