Fixed date format

makefile

@@ -13,7 +13,7 @@ $(caml_file):
 	cd script/src;ocamlopt $@.ml -o ../bin/$@.exe 
 
 $(caml_need_csv):
-	cd script/src;ocamlopt csv.ml  $@.ml -o ../bin/$@.exe 
+	cd script/src;ocamlopt unix.cmxa csv.ml  $@.ml -o ../bin/$@.exe 
 
 complete_compile:
 	@echo "\nAll caml programs compiled !\n"

script/src/graph_export.ml

 
 
-
 let create_gexf path node_data edge_data =
         let oc = open_out path in
-        let date = "2025-04-08" in (*yyyy-mm-dd*)
+        let t = Unix.time () in
+        let tm = Unix.localtime t in
+        let date = Printf.sprintf "%4d-%02d-%02d" (tm.tm_year+1900) (tm.tm_mon+1) tm.tm_mday in (*yyyy-mm-dd*)
         (*Création de l'HEADER*)
         output_string oc "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
         output_string oc 
@@ -97,29 +98,3 @@ end
 
 
 
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