-[ -x "$MKISOFS" ] || debug 3 "echo executable mkisofs not present"
-[ -x "$GROWISOFS" ] || debug 3 "echo executable growisofs not present"
-[ -x "$CDRECORD" ] || debug 3 "echo executable cdrecord not present"
-[ -x "$CDRDAO" ] || debug 3 "echo executable cdrdao not present"
+[ -x "$MKISOFS" ] || debug 3 "echo executable $MKISOFS not present"
+[ -x "$GROWISOFS" ] || debug 3 "echo executable $GROWISOFS not present"
+[ -x "$CDRECORD" ] || debug 3 "echo executable $CDRECORD not present"
+[ -x "$CDRDAO" ] || debug 3 "echo executable $CDRDAO not present"