How do you determine what type of data a reference points to? I have a function (one in previous post) that can take either an array of scalars or an array of hash references. I want to execute different code based on which one it was. How can I do that?
use the ref() function - perldoc -f ref
sub marshall { my($thing) = @_;
$type = ref($thing); if ($type eq "ARRAY") { return(encode_list($thing)); } elsif ($type eq "HASH") { return(encode_hash($thing)); } elsif (!$type) { return(encode_scalar($thing)); } else { die("Can't handle $type\n"); } }
http://www.usenix.org/publications/perl/perl12.html
HTH -Sx-
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