Index: work/gpstroke/find_line_indep.c
===================================================================
--- work/gpstroke/find_line_indep.c	(revision 7406)
+++ work/gpstroke/find_line_indep.c	(revision 7407)
@@ -258,7 +258,7 @@
 
 int main(int argc, char *argv[])
 {
-	int n;
+	int n, last_best = -1;
 
 	common_init(argc, argv);
 
@@ -271,8 +271,10 @@
 		}
 #endif
 		gp_iterate(&pop);
-		if ((pop.pop_cnt % 50) == 0)
+		if (((pop.pop_cnt % 50) == 0) && (pop.indiv[0].fitness != last_best)) {
 			gp_dump(stdout, &pop, 1);
+			last_best = pop.indiv[0].fitness;
+		}
 	}
 	pnm_save(ref, DUMPDIR "ref.pnm");
 	free(black);