[rrd-users] Different Order?

[Ingrassia, Rickey T]

Hi everybody,
  Quick question.  Why does the RRDs perl module return data in different order than that of the rrdtool command.  For instance, the two examples below are from the same file, but the order is different.  Any way to change the order of the hash returned by RRDs::info to match rrdtool?

rrdtool command:
[rickey at madness ~/rrd]$ rrdtool info nccltb101ocr01-delay.rrd|egrep 'type'|awk {'print $1'}
ds[gaatlb101ocr01].type
ds[txdalb101ocr01].type
ds[azphxbz01ocr01].type
ds[calaxb1b1ocr01].type
ds[casfob1b5ocr01].type
ds[codenb103ocr01].type
ds[mokcmb101ocr01].type
ds[mostlb104ocr01].type
ds[ilchib104ocr01].type
ds[njewrb106ocr01].type
ds[mdbalb104ocr01].type
ds[varchb101ocr01].type

And perl (code first, then output):
#!/usr/bin/perl -w

use RRDs;

$info = RRDs::info("/home/rickey/rrd/nccltb101ocr01-delay.rrd");

for $key (keys %$info) {
  if ($key =~ m/type/) {
    print "$key\n";
  }
}

[rickey at madness ~/Scripts]$ perl rrd_info.pl
ds[calaxb1b1ocr01].type
ds[txdalb101ocr01].type
ds[ilchib104ocr01].type
ds[mdbalb104ocr01].type
ds[codenb103ocr01].type
ds[varchb101ocr01].type
ds[azphxbz01ocr01].type
ds[mostlb104ocr01].type
ds[njewrb106ocr01].type
ds[casfob1b5ocr01].type
ds[gaatlb101ocr01].type
ds[mokcmb101ocr01].type


--rickey

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