Re^5: Need to get the intersect of hashes

in reply to Re^4: Need to get the intersect of hashes
in thread Need to get the intersect of hashes

Could the problem be that I have more than one value in some of the keys?

Yes.

foreach my $intersect_file(@intersect_keys) {
    my $exec = $system_file_data{$intersect_file};
    my @values = ref $exec ? @$exec : ($exec);
    print "$_\n" for @values;
}
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See perlreftut and perldsc for more information about nested structures.

Comment on Re^5: Need to get the intersect of hashes Download Code

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Re^6: Need to get the intersect of hashes by wade (Pilgrim) on May 15, 2008 at 16:18 UTC
It seems to me that it makes more sense to have every hash element contain a reference to an array instead of having an array reference in some elements and values in others. That makes your code a _lot_ easier. No checking every time you access it, no do this in some cases/do that in other cases. -- Wade	[reply]

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