make the check for defined rather than 0

[spider.git] / cmd / wwv.pl

diff --git a/cmd/wwv.pl b/cmd/wwv.pl
index 9f4350a6a42ba1c21fdba7303adc7ae7d8b60a35..3b0397fce0526569d294eedbb92d1e11c8c8e7f2 100644 (file)
--- a/cmd/wwv.pl
+++ b/cmd/wwv.pl
@@ -44,9 +44,9 @@ $forecast = unpad($forecast);
 my %args = map {split /\s*=\s*/, lc $_} @l; 
 
 # check the ranges of each one
-push @out, $self->msg('wwv1', 'k') unless $args{k} && $args{k} >= 0 && $args{k} <= 9;
-push @out, $self->msg('wwv1', 'a') unless $args{a} && $args{a} >= 0 && $args{a} <= 400;
-push @out, $self->msg('wwv1', 'sf') unless $args{sf} && $args{sf} >= 65 && $args{sf} <= 300;
+push @out, $self->msg('wwv1', 'k') unless defined $args{k} && $args{k} >= 0 && $args{k} <= 9;
+push @out, $self->msg('wwv1', 'a') unless defined $args{a} && $args{a} >= 0 && $args{a} <= 400;
+push @out, $self->msg('wwv1', 'sf') unless defined $args{sf} && $args{sf} >= 65 && $args{sf} <= 300;
 push @out, $self->msg('wwv1', 'forecast') unless $forecast;
 push @out, $self->msg('wwv2') if Geomag::dup($d, $args{sf}, $args{k}, $args{a}, $forecast);