Changed DEF:...

[rrdtool.git] / doc / rrdgraph_data.src

diff --git a/doc/rrdgraph_data.src b/doc/rrdgraph_data.src
index 9b9ec8a..47a7bea 100644 (file)
--- a/doc/rrdgraph_data.src
+++ b/doc/rrdgraph_data.src
@@ -2,7 +2,7 @@
 
 =head1 SYNOPSYS
 
 
 =head1 SYNOPSYS
 

-B<DEF>:I<vname>=I<RRD file>:I<ds name>:I<CF>[:step=I<step size>][:<time range>>]
+B<DEF:>I<E<lt>vnameE<gt>>=I<E<lt>rrdfileE<gt>>:I<E<lt>ds-nameE<gt>>:I<E<lt>CFE<gt>>[:step=I<E<lt>stepE<gt>>][:start=I<E<lt>timeE<gt>>][:end=I<E<lt>timeE<gt>>]

 
 B<VDEF>:I<vname>=I<RPN expression>
 
 
 B<VDEF>:I<vname>=I<RPN expression>
 


@@ -18,7 +18,7 @@ a language called B<RPN> which is described in its own manual page.
 
 =head1 DEF
 
 
 =head1 DEF
 

-B<DEF>:I<vname>=I<RRD file>:I<ds name>:I<CF>[:step=I<step size>][:<time range>>]
+B<DEF:>I<E<lt>vnameE<gt>>=I<E<lt>rrdfileE<gt>>:I<E<lt>ds-nameE<gt>>:I<E<lt>CFE<gt>>[:step=I<E<lt>stepE<gt>>][:start=I<E<lt>timeE<gt>>][:end=I<E<lt>timeE<gt>>]

 
 This command fetches data from an B<RRD> file.  The virtual name
 I<vname> can then be used throughout the rest of the script. By
 
 This command fetches data from an B<RRD> file.  The virtual name
 I<vname> can then be used throughout the rest of the script. By


@@ -26,9 +26,9 @@ default, an B<RRA> which contains the correct consolidated data
 at an appropriate resolution will be chosen.  The resolution can
 be overriden with the L<--step|rrdgraph/item_Time> option. 
 The resolution can again be overriden by specifying the B<step size>.
 at an appropriate resolution will be chosen.  The resolution can
 be overriden with the L<--step|rrdgraph/item_Time> option. 
 The resolution can again be overriden by specifying the B<step size>.

-I<Not yet implemented:> [ The time span of this data
-is the same as for the graph by default, you can override this by
-specifying the B<time range>. ]
+The time span of this data is the same as for the graph by default,
+you can override this by specifying B<start and end>.  Remember to
+escape colons in the time specification!

 
 If the resolution of the data is higher than the resolution of off
 graph, the data will be further consolidated.  This may result in
 
 If the resolution of the data is higher than the resolution of off
 graph, the data will be further consolidated.  This may result in


@@ -43,6 +43,8 @@ Example:
 
         DEF:ds0=router.rrd:ds0:AVERAGE
         DEF:ds0weekly=router.rrd:ds0:AVERAGE:step=7200
 
         DEF:ds0=router.rrd:ds0:AVERAGE
         DEF:ds0weekly=router.rrd:ds0:AVERAGE:step=7200

+        DEF:ds0weekly=router.rrd:ds0:AVERAGE:start=end-1h
+        DEF:ds0weekly=router.rrd:ds0:AVERAGE:start=11\:00:end=start+1h

 
 =head1 VDEF
 
 
 =head1 VDEF