[rrd-users] Re: php bindings for rrdtool

Simon Hobson linux at thehobsons.co.uk
Sat Nov 11 12:43:04 MET 2006

Rogério Schneider wrote:

>So, after the shel_exec, how you show the graph?

FWIW, I use a bash script as my CGI. The simple 
way to do it is to have rrd-graph generate an 
image in a file and return an image reference tag 
- that way, as the script returns, there will be 
a file that will automatically be downloaded by 
the browser. rrd-graph has a nice facility where 
you can tell it to skip generating the file if 
it's already current - so if you reload a page, 
graphs may well already be there and you can skip 
the overhead of re-drawing them.

The script outputs the html for the page, rrd-graph generates the image files.

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