-my $helm_rdf_dir = $ENV{'HTTP_GETTER_RDF_DIR'} ||
- "/usr/local/helm/rdf_library";
-my $rdf_dbm = $ENV{'HTTP_GETTER_RDF_DBM'} ||
- "/usr/local/helm/rdf_urls_of_uris.db";
-my $xslt_dbm = $ENV{'HTTP_GETTER_XSLT_DBM'} ||
- "/usr/local/helm/xslt_urls_of_uris.db";
-my $rdf_indexname = $ENV{'HTTP_GETTER_RDF_INDEXNAME'} ||
- "rdf_index.txt";
-my $xslt_indexname = $ENV{'HTTP_GETTER_XSLT_INDEXNAME'} ||
- "xslt_index.txt";
+$helm_rdf_dir = $ENV{'HTTP_GETTER_RDF_DIR'} || $helm_rdf_dir;
+$rdf_dbm = $ENV{'HTTP_GETTER_RDF_DBM'} || $rdf_dbm;
+$xslt_dbm = $ENV{'HTTP_GETTER_XSLT_DBM'} || $xslt_dbm;
+$rdf_indexname = $ENV{'HTTP_GETTER_RDF_INDEXNAME'} || $rdf_indexname;
+$xslt_indexname = $ENV{'HTTP_GETTER_XSLT_INDEXNAME'} || $xslt_indexname;