echo Ok4
-echo How with variable refs
+echo Now with variable refs
i=1
echo *shell_test*
rm *shell_test*
+echo Done;exit
+# UNFIXED BUG. bash apparently will expand $i even in terminating delimiter.
+# http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html
+# does not mandate this behavior.
+# This is not likely to be used much in real-world.
cat <<\shell_test_$i
Here1