Re: I don't understand error message

It means that $result is undef, ie $in->next_result didn't return any value.

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Re^2: I don't understand error message by ikegami (Patriarch) on Jun 16, 2009 at 16:36 UTC
A sub in scalar context (as is the case here) cannot do anything but return a value. (It crashes Perl when they don't.) - People for the equitable treatment of undef	[reply]