3 rrdfirst - Return the date of the first data sample in an B<RRA> within an B<RRD>
5 =for html <div align="right"><a href="rrdfirst.pdf">PDF</a> version.</div>
9 B<rrdtool> B<first> I<filename> [I<--rraindex number>]
13 The B<first> function returns the UNIX timestamp of the first data sample for
14 the specified RRA of the RRD file.
20 The name of the B<RRD> that contains the data.
22 =item I<--rraindex number>
24 The index number of the B<RRA> that is to be examined. If not specified, the
25 index defaults to zero. B<RRA> index numbers can be determined through
32 Burton Strauss <Burton@ntopSupport.com>