When you say doesn't work properly, is it miscounting.
More to the point
(!$value)
will catch zero "0" and undefs, but not "0.0".
-Tim (ignore my earlier post, please :)
>
> >
> > Dear experts,
> >
> > I think this is a fairly simple question...
> > How can I count empty values in an array? This count
> > should not include zeros or non-empty values. Below
> > is my current script, but it isn't working properly.
> >
> > I appreciate any assistance that you may provide.
> >
> > Thank you,
> > David
> >
> > #!perl -w
> > # Count missing values
> > while (my $line = <>) {
> > chomp ($line);
> > my ($probe_id,$expression) = split /\t/, $line, 2;
> > my @expression = split /\t/, $expression;
> > my $count = 0;
> > foreach my $value (@expression) {
> > if (!$value) {
> > $count += 1;
> > }
> > }
> > print "$count\n";
> > }
> >
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