On Sun, Jul 22, 2012 at 11:09:10PM +0200, Jenda Krynicky wrote:
> From: Paul Johnson <p...@pjcj.net>
> > You need a mixture of the two approaches: map to prepend "not in:" and
> > join to join them.
> >
> > my $query = join " and ", map "not in:$_", @folders;
>
>
> @folders = ('one', 'two');
> my $query = "not in:" . join( " and not in:", @folders);
> print $query;
>
> will be quicker.
Maybe. But I'm not sure that's a particularly compelling argument.
Better to aim for correctness, clarity and maintainability, wouldn't you
think?
> no need to map and join just because you need some
> text even before the first value.
That's a good point.
--
Paul Johnson - p...@pjcj.net
http://www.pjcj.net
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