update the docs on filtering

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

diff --git a/cmd/show/var.pl b/cmd/show/var.pl
index b09193c29bc306f71dffd5822de649a5f77cf409..3f0715713a4f64c20d71ea209dd527a16731259c 100644 (file)
--- a/cmd/show/var.pl
+++ b/cmd/show/var.pl
@@ -15,9 +15,9 @@ 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);