diff -ruN a/bla.txt b/bla.txt
--- a/bla.txt	2020-06-19 18:54:43.129076711 +0200
+++ b/bla.txt	2020-06-19 18:55:05.093948316 +0200
@@ -1,3 +1,3 @@
-LINE1=YES
+LINE1=NO
 LINE2=NO
 
diff -ruN a/dd/new.txt b/dd/new.txt
--- a/dd/new.txt	1970-01-01 01:00:00.000000000 +0100
+++ b/dd/new.txt	2020-06-19 18:55:35.255032413 +0200
@@ -0,0 +1,2 @@
+NEW LINE 1
+NEW LINE 2