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131 .IX Title "RRDFIRST 1"
132 .TH RRDFIRST 1 "2005-06-17" "1.2.10" "rrdtool"
134 rrdfirst \- Return the date of the first data sample in an RRA within an RRD
136 .IX Header "SYNOPSIS"
137 \&\fBrrdtool\fR \fBfirst\fR \fIfilename\fR [\fI\-\-rraindex number\fR]
139 .IX Header "DESCRIPTION"
140 The \fBfirst\fR function returns the \s-1UNIX\s0 timestamp of the first data
141 sample entered into the specified \s-1RRA\s0 of the \s-1RRD\s0 file.
142 .IP "\fIfilename\fR" 8
144 The name of the \fB\s-1RRD\s0\fR that contains the data.
145 .IP "\fI\-\-rraindex number\fR" 8
146 .IX Item "--rraindex number"
147 The index number of the \fB\s-1RRA\s0\fR that is to be examined. If not specified, the
148 index defaults to zero. \fB\s-1RRA\s0\fR index numbers can be determined through
149 \&\fBrrdtool info\fR.
152 Burton Strauss <Burton@ntopSupport.com>