Gunnar Hjalmarsson wrote:
Chas. Owens wrote:
On Sat, Mar 22, 2008 at 11:53 PM, Richard Lee <[EMAIL PROTECTED]>
wrote:
snip
@{ $HoH{$1} }{ @{ $HoA{$1} } } = split;
This is really spinning my heads in all direction trying to see if I
can
truly understand them instead of just using it.
snip
Take a look at
http://perldoc.perl.org/perldata.html#Slices
and
http://perldoc.perl.org/perlref.html
Absolutely.
What's happening is that we assign what's returned from split() to a
hash slice.
@hash{ @keys_list } = split;
The hash in this case is one of the anonymous hashes in %HoH. The
reference to it, $HoH{$1}, needs to be dereferenced.
@{ $HoH{$1} }{ @keys_list } = split;
----^^^^^^^^^^^^^
The keys_list is one of the anonymous arrays in %HoA. The reference to
it, $HoA{$1}, needs to be dereferenced as well.
@{ $HoH{$1} }{ @{ $HoA{$1} } } = split;
-------------------^^^^^^^^^^^^^
say I have @data which below was pushed(bunch of them) with below hash
of hash refernce
$VAR1 = {
'element' => {
'element2' => 'now',
'element3' => '2',
'element4' => 'serverxxx',
}
};
and then I would call sub do_it like
do_it(somevalue, $data)
sub do_it {
my $something = shift;
for (@_) {
foreach my $XX ( keys %_ ) {
if ( exists ( $XX->{ element }{ element2 } ) && $XX->{ element
}{ element4} eq "$something" ) {
for my $key ( keys %{ $XX{ element } } ) { <------
Global symbol "%XX" requires explicit package name
<--------------------?????
print "$key\n";
print "$XX and $XX{ element}{$key}\n";
}
}
}
}
why does it not like XX in above line ??
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