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fix file generation
[rrdtool.git]
/
doc
/
rrdgraph_data.pod
diff --git
a/doc/rrdgraph_data.pod
b/doc/rrdgraph_data.pod
index
dba53f3
..
04d9761
100644
(file)
--- a/
doc/rrdgraph_data.pod
+++ b/
doc/rrdgraph_data.pod
@@
-20,7
+20,7
@@
instructions use a language called B<RPN> which is described in its
own manual page.
Variable names (I<vname>) must be made up strings of the following characters
own manual page.
Variable names (I<vname>) must be made up strings of the following characters
-C<A-Z, a-z, 0-9, -,_>
, starting with a letter
and a maximum length of 255 characters.
+C<A-Z, a-z, 0-9, -,_> and a maximum length of 255 characters.
=head1 DEF
=head1 DEF
@@
-71,6
+71,9
@@
elements.
Example: C<VDEF:avg=mydata,AVERAGE>
Example: C<VDEF:avg=mydata,AVERAGE>
+Note that currently only agregation functions work in VDEF rpn expressions.
+Patches to change this are welcome.
+
=head1 CDEF
B<CDEF>:I<vname>=I<RPN expression>
=head1 CDEF
B<CDEF>:I<vname>=I<RPN expression>