--- a/lib/hmdb.pm	Thu Feb 14 08:36:52 2019 -0500
+++ b/lib/hmdb.pm	Fri Nov 20 17:29:18 2020 +0000
@@ -222,6 +222,55 @@
 }
 ## END of SUB
 
+
+=head2 METHOD checkHmdbUrlEntries
+
+	## Description : check a list of HMDB_IDs by testing what is the status of their uri (HTTP 200 or not)
+	## Input : $urlRoot, $entries
+	## Output : $validEntries
+	## Usage : my ( $validEntries ) = checkHmdbUrlEntries ( $entries ) ;
+	
+=cut
+## START of SUB
+sub checkHmdbUrlEntries {
+    ## Retrieve Values
+    my $self = shift ;
+    my ( $urlRoot, $clusters, $maxQuery ) = @_;
+    my ( @ValidResults, @validFeature ) = ( (), () ) ;
+    
+    foreach my $resultsByMass (@{$clusters}) {
+		my $currentQuery = 0 ;
+    	foreach my $feature (@{$resultsByMass}) {
+			
+			if ($feature->{ENTRY_ENTRY_ID}) {
+				
+				my $url = $urlRoot.$feature->{ENTRY_ENTRY_ID} ;
+		    	if ( get($url)) {
+		    		$currentQuery ++ ;
+		    		if ($currentQuery > $maxQuery) {
+    					last ;
+    				}
+    				else {
+			    		push (@validFeature, $feature) ;
+#			    		print "Url is valid ($url) - - add to final results\n" ;
+    				}
+		    	}
+		    	else {
+#		    		print "Url is NOT valid ($url) - - Deleting to final results\n" ;
+		    		next ;
+		    	}
+			}
+    	} # END FOREACH FEATURE
+    	my @tmp = @validFeature ;
+    	push (@ValidResults, \@tmp) ;
+    	@validFeature = () ;
+    } # END FOREACH RESULTS
+    
+    return (\@ValidResults) ;
+}
+### END of SUB
+
+
 =head2 METHOD testMatchesFromHmdbWithUA
 
 	## Description : test a single query with tests parameters on hmdb - get the status of the complete server infra.