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[spider.git] / cmd / show / var.pl

diff --git a/cmd/show/var.pl b/cmd/show/var.pl
index b09193c29bc306f71dffd5822de649a5f77cf409..29d7b350831626a05aaa57de7e7ca9ddcd5b62eb 100644 (file)
--- a/cmd/show/var.pl
+++ b/cmd/show/var.pl
@@ -10,14 +10,15 @@
 
 my ($self, $line) = @_;
 return (1, $self->msg('e5')) if $self->priv < 9 || $self->remotecmd;
+return (1, $self->msg('e9')) unless $line;
 my @f = split /\s+/, $line;
 my $f;
 my @out;
 
 foreach $f (@f) {
-    print "\$f = $f\n";
+#    print "\$f = $f\n";
        my $var = eval "$f";
-       if ($var) {
+       if (defined $var) {
         my $dd = Data::Dumper->new([ $var ], [ "$f" ]);
         $dd->Indent(1);
                $dd->Quotekeys(0);