diff --git a/tools/export_evblob.c b/tools/export_evblob.c
index 869851b..21977f9 100644
--- a/tools/export_evblob.c
+++ b/tools/export_evblob.c
@@ -73,13 +73,13 @@ return 0;		/* allway success ? */
 }
 /* --------------------------------------------------------------------- */
 /*			EXPERIMENTAL GRUIK-CODE !!!			 */
-int load_and_printf_evblob(char *filename, int mode)
+int load_and_printf_evblob(char *filename, char *outmode)
 {
 EdgesAndVertices	eav;
-int			foo;
+int			foo, mode;
 
 #if DEBUG_LEVEL
-fprintf(stderr, ">>> %s ( '%s'  %d )\n", __func__, filename, mode);
+fprintf(stderr, ">>> %s ( '%s'  %s )\n", __func__, filename, outmode);
 #endif
 
 memset(&eav, 0, sizeof(EdgesAndVertices));
@@ -98,13 +98,17 @@ if (verbosity > 1) {
 				eav.Elist->fidx);
 	}
 
+mode = 666;
+if      (! strcasecmp("edges",    outmode)) { mode = 0; }
+else if (! strcasecmp("vertices", outmode)) { mode = 1; }
+
 switch (mode) {
 	case 0:
 		printf_the_edges(&eav);			break;
 	case 1:
 		printf_the_vertices(&eav);		break;
 	default:
-		fprintf(stderr, "no way to do %d\n", mode);
+		fprintf(stderr, "no way to do '%s'\n", outmode);
 		exit(1);
 		break;
 	}
@@ -124,7 +128,7 @@ exit(0);
 int main(int argc, char *argv[])
 {
 int			opt, foo;
-int			outmode = 0;
+char			*outmode = "vertices";
 
 fprintf(stderr, "### Export EVblob   (%s %s)\n", __DATE__, __TIME__);
 
@@ -137,11 +141,8 @@ while ((opt = getopt(argc, argv, "ht:v")) != -1) {
 		case 'v':
 			verbosity++;		break;
 		case 't':
-			// fprintf(stderr, "t -> %s\n", optarg);
-			switch(optarg[0]) {
-				case 'e': outmode=0;	break;
-				case 'v': outmode=1;	break;
-				}
+			fprintf(stderr, "type -> '%s'\n", optarg);
+			outmode = optarg;
 			break;
 		default:
 			exit(1);