[rrd-developers] Re: rrdcgi bug: can't eval multiple <RRD::CV> tags on one line or somesuch

[Tobias Oetiker]

Monday you sent me mail regarding [rrd-developers] rrdcgi bug: can't eval...:

*> 
*> Fwiw, I went about creating an interactive rrdtool cgi script
*> for nrg recently and found that the last line of this rrdcgi code
*> 
*>   <RRD::GRAPH <RRD::CV::PATH RRD_NAME>.gif
*>     --title "Graph for <RRD::CV::PATH RRD_NAME>: <RRD::CV NUM> <RRD::CV UNITS>"
*>     --start -<RRD::CV NUM><RRD::CV UNITS>
*> 
*> causes a 
*> 
*>   [ERROR: unknown function 'UNITS']
*> 
*> bitch msg.  Isn't this a bug?  (I expect the last line to
*> evaluate to strings like "--start -1weeks" etc.)
*> 
*> It's no big deal for me: I'm gunna rewrite the whole thing
*> in perl because there's no way to retain CGI variables gotten
*> from the <SELECT> tag (html's poor excuse for listbox widget)
*> via rrdcgi.

try changeing the last line of the parse function ...

to

  return valln > 0 ? valln-1: valln;

cheers
tobi
*> 
*> later
*> steve
*> - - -
*> systems guy
*> wiscnet.net
*> 
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*> 
*> 

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