From c5fcb7027fa5f8d48264eb54aad93a9cbaaf2d8b Mon Sep 17 00:00:00 2001
From: Alan K <github@ack.modeswitch.org>
Date: Sun, 19 Jul 2015 22:53:13 -0400
Subject: [PATCH] Log stdout/stderr

Only if there's something to print
---
 plotter.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plotter.js b/plotter.js
index d365941..9ee7041 100644
--- a/plotter.js
+++ b/plotter.js
@@ -128,8 +128,8 @@ function setup_gnuplot(gnuplot, options) {
  */
 function post_gnuplot_processing(error, stdout, stderr) {
   /* Print stuff */
-  console.log('stdout: ' + stdout);
-  console.log('stderr: ' + stderr);
+  if(stdout) console.log('stdout: ' + stdout);
+  if(stderr) console.log('stderr: ' + stderr);
   if (error !== null) {
     console.log('exec error: ' + error);
   }