From 48cbf8ce43a3fa412ab589821c3e2dca85a1a303 Mon Sep 17 00:00:00 2001
From: Chris Jaekl <cejaekl@yahoo.com>
Date: Sat, 31 Oct 2015 22:49:01 +0900
Subject: [PATCH] Don't try to output HTML unless an output file is specified.
 (Dereferencing a null pointer is considered harmful).

---
 prod/net/jaekl/cfb/CFB.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/prod/net/jaekl/cfb/CFB.java b/prod/net/jaekl/cfb/CFB.java
index 33a1ca0..178dc2f 100644
--- a/prod/net/jaekl/cfb/CFB.java
+++ b/prod/net/jaekl/cfb/CFB.java
@@ -218,7 +218,9 @@ public class CFB {
 			Delta delta = new Delta(prior, analysis);
 
 			HtmlReport report = new HtmlReport(m_bundle, messageMap.getColl(), delta);
-			report.write(m_output);
+			if (null != m_output) {
+				report.write(m_output);
+			}
 			
 			Notifier notifier = new Notifier(m_bundle, m_config);
 			notifier.sendEmailIfNeeded(pw, report);
-- 
2.30.2