diff --git a/b2/db.c b/b2/db.c
index 1d9c98f..f3a2486 100644
--- a/b2/db.c
+++ b/b2/db.c
@@ -168,6 +168,9 @@ void part_add_stock(struct part *part, struct stock *s)
 }
 
 
+/* ----- Dumping ----------------------------------------------------------- */
+
+
 static void dump_stock(FILE *file, const struct stock *s)
 {
 	const struct price *p;
@@ -199,6 +202,23 @@ void part_dump(FILE *file, const struct part *part)
 }
 
 
+static gboolean dump_prm_traverse(gpointer key, gpointer value, gpointer data)
+{
+	struct part *p = key;
+	FILE *file = data;
+
+	(void) value;
+	part_dump(file, p);
+	return FALSE;
+}
+
+
+void parts_dump(FILE *file)
+{
+	g_tree_foreach(tree, dump_prm_traverse, (void *) file);
+}
+
+
 /* ----- Currencies -------------------------------------------------------- */
 
 
diff --git a/b2/db.h b/b2/db.h
index 509d613..467dc01 100644
--- a/b2/db.h
+++ b/b2/db.h
@@ -98,6 +98,7 @@ void part_alias(struct part *a, struct part *b);
 void part_finalize(struct part *part, const struct action *act);
 void part_add_stock(struct part *part, struct stock *s);
 void part_dump(FILE *file, const struct part *part);
+void parts_dump(FILE *file);
 
 const struct currency *currency_lookup(const char *name);
 double currency_convert(const struct currency *from, const struct currency *to,