diff --git a/scriptlib/hello.tcl b/scriptlib/hello.tcl
index 6274cc9..3f38443 100644
--- a/scriptlib/hello.tcl
+++ b/scriptlib/hello.tcl
@@ -1,3 +1,17 @@
-puts stdout "hello on stdout"
-puts stderr "hello on stderr"
+chan configure stdout -buffering none
+chan configure stderr -buffering none
+puts -nonewline stderr "1 hello on stderr with crlf newline\r\n"
+flush stderr
+puts -nonewline stdout "2 hello on stdout with crlf newline\r\n"
+flush stdout
+puts -nonewline stderr "3 hello on stderr with unix newline\n"
+flush stderr
+puts -nonewline stdout "4 hello on stdout with unix newline\n"
+flush stdout
+puts -nonewline stderr "5 hello on stderr no line-ending"
+flush stderr
+puts -nonewline stdout "6 hello on stdout no line-ending"
+flush stdout
+
+