Hi,
I'm working on a complex data structure with hashes of hashes and
hashes of arrays and I noticed a weird behavior I was hoping someone
could explain. Here's a sample:
$Data{US17}{1}{GROUP} = "STRING";
$Data{US17}{1}{GROUP}{.001} = 5;
$Data{US17}{1}{GROUP}{.002} = 6;
$Data{US17}{1}{GROUP}{.003} = 7;
print "group = $Data{US17}{1}{GROUP}\n";
for my $time (keys %{$Data{US17}{1}{GROUP}}){
print "time = $time $Data{US17}{1}{GROUP}{$time}\n";
}
The output is:
group = STRING
time = 0.002 6
time = 0.003 7
time = 0.001 5
If I swap the order of the declarations, then all of the keys for the
hash under 'GROUP' are wiped out. For example:
$Data{US17}{1}{GROUP}{.001} = 5;
$Data{US17}{1}{GROUP}{.002} = 6;
$Data{US17}{1}{GROUP}{.003} = 7;
$Data{US17}{1}{GROUP} = "STRING";
only produces:
group = STRING
Is this expected behavior? Am I getting lucky in the first instance
with bad syntax that just happens to do what I want?
Thanks in advance,
Jason
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