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Name	Size	Permission
4charts.pl	2.56 KB	-rwxr-xr-x
bigtops.pl	1.16 KB	-rwxr-xr-x
cgi-demo.cgi	858 B	-rwxr-xr-x
ifOctets.tcl	1.21 KB	-rwxr-xr-x
minmax.pl	1.12 KB	-rwxr-xr-x
perftest.pl	5.75 KB	-rwxr-xr-x
piped-demo.pl	4.28 KB	-rwxr-xr-x
shared-demo.pl	5.52 KB	-rwxr-xr-x
stripes.pl	1.24 KB	-rwxr-xr-x
test.rb	1.9 KB	-rwxr-xr-x

Code Editor : minmax.pl

#! /usr/bin/perl

use lib qw( /usr/lib/perl );

use RRDs;
my $start=time;
my $rrd="randome.rrd";
my $name = $0;
$name =~ s/.*\///g;
$name =~ s/\.pl.*//g;

RRDs::create ($rrd, "--start",$start-1, "--step",300,
	      "DS:a:GAUGE:600:U:U",
	      "RRA:AVERAGE:0.5:1:300",
	      "RRA:MIN:0.5:12:300",
	      "RRA:MAX:0.5:12:300",
);
my $ERROR = RRDs::error;
die "$0: unable to create `$rrd': $ERROR\n" if $ERROR;

# dropt some data into the rrd
my $t;
for ($t=$start; $t<$start+300*300; $t+=300){
  RRDs::update $rrd, "$t:".(sin($t/3000)*50+50);
  if ($ERROR = RRDs::error) {
    die "$0: unable to update `$rrd': $ERROR\n";
  }
}

RRDs::graph "$name.png",
  "--title", uc($name)." Demo", 
  "--start", "now",
  "--end", "start+1d",
  "--lower-limit=0",
  "--interlaced",
  "--imgformat","PNG",
  "--width=450",
  "DEF:a=$rrd:a:AVERAGE",
  "DEF:b=$rrd:a:MIN",
  "DEF:c=$rrd:a:MAX",
  "AREA:a#00b6e4:real",
  "LINE1:b#0022e9:min",
  "LINE1:c#00ee22:max",
;

if ($ERROR = RRDs::error) {
  die "ERROR: $ERROR\n";
};

print "This script has created $name.png in the current directory\n";
print "This demonstrates the use of MIN and MAX archives\n";

${this.title}

Code Editor : minmax.pl