From 7ead74c44a39820a33557d571c0b71844b28a0d6 Mon Sep 17 00:00:00 2001
From: Chris Geihsler <cgeihsler@thinkthroughmath.com>
Date: Wed, 16 Oct 2013 13:30:10 -0400
Subject: [PATCH] Skipping rendering if stdout is not a TTY.

---
 lib/node-progress.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/node-progress.js b/lib/node-progress.js
index 8691327..638d919 100644
--- a/lib/node-progress.js
+++ b/lib/node-progress.js
@@ -102,6 +102,10 @@ ProgressBar.prototype.tick = function(len, tokens){
  */
 
 ProgressBar.prototype.render = function(tokens){
+  if(!process.stdout.isTTY) {
+    return;
+  }
+
   var percent = (this.curr >= this.total) ? 100 : this.curr / this.total * 100
     , complete = Math.round(this.width * (this.curr / this.total))
     , incomplete