Yes. They're called variables. 
for my $d (sort {$descs->{$a} cmp $descs->{$b}} keys %{ $descs = {map 
+{$_ => $hash{$_}{desc}} keys %hash}} ) {
   ...
   ...
}

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In reply to Re^4: Sort of anonymous hash by ikegami
in thread Sort of anonymous hash by larsss31

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