rrdlastupdate - Return the most recent update to an RRD
rrdtool lastupdate filename [--daemon address]
The lastupdate function returns the UNIX timestamp and the value stored for each datum in the most recent update of an RRD.
The name of the RRD that contains the data.
Address of the the rrdcached manpage daemon. If specified, a flush command is sent
to the server before reading the RRD files. This allows rrdtool to return
fresh data even if the daemon is configured to cache values for a long time.
For a list of accepted formats, see the -l option in the the rrdcached manpage manual.
rrdtool lastupdate --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd
The following environment variables may be used to change the behavior of
rrdtoollastupdate:
If this environment variable is set it will have the same effect as specifying
the --daemon option on the command line. If both are present, the command
line argument takes precedence.
Andy Riebs <andy.riebs@hp.com>