diff --git a/test_001.txt b/test_001.txt
index 912439b..0253b75 100644
--- a/test_001.txt
+++ b/test_001.txt
@@ -1 +1,3 @@
-this is a file for test.
\ No newline at end of file
+.LOG
+this is a file for test.
+this is a line of input.
\ No newline at end of file