I haven't tried doing it exactly as you posted, but I think the following should work (assuming support in your version):<br><br>"--right-axis", "20:0"<br><br>"--right-axis=20:0"<br><br>Cheers,<br>Simon<span style="font-family:Prelude, Verdana, san-serif;"><br><br></span><span id="signature"><div style="font-family: arial, sans-serif; font-size: 12px;color: #999999">-- Sent from my HP TouchPad</div></span><span style="color:navy; font-family:Prelude, Verdana, san-serif; "><hr align="left" style="width:75%">On 26 Nov 2012 00:25, Thomas Parvais <tparvais@gmail.com> wrote: <br></span>Hello
<br>
<br>I would like to add a second Y axe at the right with another scale with
<br>the following PERL code. (using RRDs module)
<br>
<br>Unfortunately, it does not work the script stops on the argument
<br>"--right-axis 20:0"
<br>
<br>Using RRDtool package 1.3.1 for my sheevaplug
<br>
<br>Any idea ?
<br>
<br>Thank you
<br>
<br>Thomas