From 74d3935348adf27aa22e3cfecacd07fca9da5f78 Mon Sep 17 00:00:00 2001
From: Trent Mick <trentm@gmail.com>
Date: Tue, 18 Dec 2012 16:34:40 -0800
Subject: [PATCH] exit on EPIPE to avoid useless work

---
 CHANGES.md | 3 ++-
 bin/bunyan | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGES.md b/CHANGES.md
index b55b26b..1d86474 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -8,7 +8,8 @@ Known issues:
 
 ## bunyan 0.16.9 (not yet released)
 
-(nothing yet)
+- *Exit* on EPIPE, otherwise we sit there useless processing a huge log file
+  with, e.g.  `bunyan huge.log | head`.
 
 
 ## bunyan 0.16.8
diff --git a/bin/bunyan b/bin/bunyan
index 762e24c..47e045e 100755
--- a/bin/bunyan
+++ b/bin/bunyan
@@ -910,6 +910,7 @@ function emit(s) {
 process.stdout.on("error", function (err) {
   if (err.code === "EPIPE") {
     // Pass. See <https://github.com/trentm/json/issues/9>.
+    drainStdoutAndExit(0);
   } else {
     warn(err);
     drainStdoutAndExit(1);