• Commented on On defined(@array) and defined(%hash)
    Hi Reini, hi all, very sorry to jump in that way, but even after reading this articles many times I can't find a way to solve my pb with defined. Most web articles says defined(%hash) is useless but how can...
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  • gonzo commented on On defined(@array) and defined(%hash) is a blogging platform, no support forum. You should generally consider to ask questions on other platforms, like stackoverflow or perlmonks.

    To determine of what type a reference is (in Perl5 all nested data structures consist of references) you need to use the "ref" builtin (see perldoc -f ref or here: ).

    I took the liberty of rewriting your code a bit, so it conforms to recent best practices a little more:

    sub dump_hash {
    my ($hashn…

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