[rrd-users] Re: probelms with timestamp

[Tobias Oetiker]

Today you sent me mail regarding [rrd-users] Re: probelms with timestamp:

*> hi again,
*> 
*> 
*> thnx for all your help. the problem could be solved.
*> 
*> i just post how I did it. Prehaps it will also help some other maillist 
*> members.
*> 
*> my $slastupdate = scalar localtime(RRDs::last $sRRDfile);
*>           $slastupdate =~ /(\d{1,2}\:\d{1,2}\:\d{1,2})/;
*>           $slastupdate=$1;
*> 
*> 'COMMENT:Last update: '.$slastupdate .' \\r',
*> 
*> Just a little other question. Is there a documentation on the different
*> possibilities to format the text in the png files ?

the \\r thing you mean? This is documented in the rrdgraph.pod

cheers
tobi
*> 
*> geetings,
*> patrick
*> 
*> 
*> At 10:54 14.04.00 +0200, you wrote:
*> >In article <4.2.0.58.20000413153724.00a61da0 at mail.nextra.ch> you wrote:
*> >
*> > > i just have a little probelm. I'm just generationg some graphs and all
*> > > works fine, except the time-value. I want to put a text like "last updated
*> > > on " in my png files. I managed to get used bandwith etc. values in the
*> > > graph but not the timestamp from the last entrie in the RRD file. I 
*> > already
*> > > tried it on different ways but the result was always the same - it doesn't
*> > > work.
*> > >
*> > > could someone give me some help ?
*> >
*> >A workaround:
*> >
*> >$last = RRDs::last('rrdfile');
*> >$lasttime=localtime($lasttime);
*> >$lasttime =~ s/:/\\:/;
*> >push (@aDEF, 'COMMENT:Current Timestamp\: '.$lasttime.'\\r');
*> >
*> >BTW: Why is it necessary to excape : in the comment/legend strings? They are
*> >the last fields in the arguments ...
*> >
*> >Rainer
*> >--
*> >Rainer.Bawidamann at informatik.uni-ulm.de
*> >
*> >--
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