From 7c2f348a6353a4d29e6cd178c3ea79badd71c729 Mon Sep 17 00:00:00 2001
From: Ben Buckman <ben@benbuckman.net>
Date: Thu, 14 Apr 2016 09:24:21 -0700
Subject: [PATCH] Fix 'Error: EBADF: bad file descriptor, write' on `.exit` in
 REPL

Fixes issue #4252.
---
 lib/coffee-script/repl.js | 2 +-
 src/repl.coffee           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/coffee-script/repl.js b/lib/coffee-script/repl.js
index dd14ae9a..8fbb72a3 100644
--- a/lib/coffee-script/repl.js
+++ b/lib/coffee-script/repl.js
@@ -138,7 +138,7 @@
     } catch (error) {}
     fd = fs.openSync(filename, 'a');
     repl.rli.addListener('line', function(code) {
-      if (code && code.length && code !== '.history' && lastLine !== code) {
+      if (code && code.length && code !== '.history' && code !== '.exit' && lastLine !== code) {
         fs.write(fd, code + "\n");
         return lastLine = code;
       }
diff --git a/src/repl.coffee b/src/repl.coffee
index ccafd27e..f5a7ddac 100644
--- a/src/repl.coffee
+++ b/src/repl.coffee
@@ -121,7 +121,7 @@ addHistory = (repl, filename, maxSize) ->
   fd = fs.openSync filename, 'a'
 
   repl.rli.addListener 'line', (code) ->
-    if code and code.length and code isnt '.history' and lastLine isnt code
+    if code and code.length and code isnt '.history' and code isnt '.exit' and lastLine isnt code
       # Save the latest command in the file
       fs.write fd, "#{code}\n"
       lastLine = code