3 rrdlast - Return the date of the last data sample in an RRD
7 B<rrdtool> B<last> I<filename>
8 S<[B<--daemon> I<address>]>
12 The B<last> function returns the UNIX timestamp of the most recent
19 The name of the B<RRD> that contains the data.
21 =item B<--daemon> I<address>
23 Address of the L<rrdcached> daemon. If specified, a C<flush> command is sent
24 to the server before reading the RRD files. This allows B<rrdtool> to return
25 fresh data even if the daemon is configured to cache values for a long time.
26 For a list of accepted formats, see the B<-l> option in the L<rrdcached> manual.
28 rrdtool last --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd
32 =head1 ENVIRONMENT VARIABLES
34 The following environment variables may be used to change the behavior of
35 C<rrdtoolE<nbsp>last>:
39 =item B<RRDCACHED_ADDRESS>
41 If this environment variable is set it will have the same effect as specifying
42 the C<--daemon> option on the command line. If both are present, the command
43 line argument takes precedence.
49 Russ Wright <rwwright@home.com>