[rrd-users] Explanation of 'format' structure for PRINT command

[Carter, Steve]

I am trying to get the syntax of the PRINT command for RRDTOOL GRAPH.
 
When I run 
 
rrdtool graph test.gif
DEF:inoctets=router.rrd:input:MAX PRINT:inoctets:MAX:'%lf'
 
at the command prompt,  I get the result 0x0 (which I understand as it has
not produced a graph) and then '-1.#IND00 '.
 
If I run the GPRINT command I get the graph with the same '-1.#IND00 '
result in the legend.
 
I have read the manual on the PRINT function of the command but can someone
explain the correct syntax and meanings of the options for the format
option. - %le, %lf, etc.
 
Also, once I have the correct formatting, how do I add text to identify what
it represents. And is there any control over the placement of the results if
I do more than one.
 
Thanks
 
Steve Carter
 


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