Re: join email lists with comma unless one list is empty

sub join_email_lists {
    return join ',', grep {$_} @_;
}
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Comment on Re: join email lists with comma unless one list is empty Download Code

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Re^2: join email lists with comma unless one list is empty by Gulliver (Monk) on Jun 11, 2011 at 16:59 UTC
This method works even without the empty string at the beginning.	[reply]