From 0372788f2d85f0d8e6463b7c45928be7d1c6093f Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Wed, 24 Jul 2013 13:23:35 -0500
Subject: [PATCH] add a buffering write function for program.

---
 lib/program.js | 42 ++++++++++++++++++++++++++++++++++--------
 1 file changed, 34 insertions(+), 8 deletions(-)

diff --git a/lib/program.js b/lib/program.js
index 5cd21bc..03442a9 100644
--- a/lib/program.js
+++ b/lib/program.js
@@ -78,6 +78,8 @@ function Program(options) {
     this.setupTput();
   }
 
+  this.__flush = this._flush.bind(this);
+
   this.listen();
 }
 
@@ -1162,13 +1164,37 @@ Program.prototype._parseChar = function(text, attr) {
   }
 };
 
-Program.prototype.write =
-Program.prototype.echo = function(text, attr) {
-  // if (this.output === process.stdout) {
-  //   return attr
-  //     ? Program._write.call(this.output, this.text(text, attr))
-  //     : Program._write.call(this.output, text);
-  // }
+Program.prototype.echo_ =
+Program.prototype.write_ = function(text, attr) {
+  if (!text) return;
+
+  if (attr) {
+    text = this.text(text, attr);
+  }
+
+  if (this._buf) {
+    this._buf += text;
+    return true;
+  }
+
+  this._buf = text;
+
+  //if (!this.__flush) {
+  //  this.__flush = this._flush.bind(this);
+  //}
+
+  process.nextTick(this.__flush);
+
+  return true;
+};
+
+Program.prototype._flush = function() {
+  this.output.write(this._buf);
+  this._buf = '';
+};
+
+Program.prototype.echo =
+Program.prototype.write = function(text, attr) {
   return attr
     ? this.output.write(this.text(text, attr))
     : this.output.write(text);
@@ -1261,7 +1287,7 @@ Program.prototype.repeat = function(ch, i) {
 //Program.prototype.pad =
 Program.prototype.nul = function() {
   //if (this.has('pad')) return this.put.pad();
-  return this.write('\0');
+  return this.write('\200');
 };
 
 Program.prototype.bel =