X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXUtil.pm;h=6cf35b2bd77e3a398d652ba7d3f2af98f8e77228;hb=6db883c129fb84bbf067861a1def1fd8120a32c8;hp=ed714fe82c11b0862ef8d7051b4349e1e66f81d6;hpb=06963a9fca5e08982934c10946b8452f13feba2c;p=spider.git

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index ed714fe8..6cf35b2b 100644
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -165,7 +165,7 @@ sub phex
 sub parray
 {
 	my $ref = shift;
-	return join(', ', @{$ref});
+	return ref $ref ? join(', ', @{$ref}) : $ref;
 }
 
 # take the arg as an array reference and print as a list of pairs