[refactor] replace sys module usages in examples with util

examples/chroot.js

@@ -1,14 +1,14 @@
-var sys = require('sys'),
+var util = require('util'),
     daemon = require('daemon'),
     fs = require('fs');
 
 daemon.chroot('/tmp/chroot');
-sys.puts('Working in chroot');
+util.puts('Working in chroot');
 
 setInterval(function () {
   fs.readdir('./', function (err, files) {
-    sys.puts('Current directory: ' + process.cwd());
-    sys.puts('err: ' + sys.inspect(err));
-    sys.puts('files: ' + sys.inspect(files));
+    util.puts('Current directory: ' + process.cwd());
+    util.puts('err: ' + util.inspect(err));
+    util.puts('files: ' + util.inspect(files));
   });
-}, 10000 );
+}, 10000 );

examples/count-timer.js

@@ -6,11 +6,11 @@
  *
  */
 
-var sys = require('sys'); 
+var util = require('util');
 
 var count = 0;
 
 var id = setInterval(function () {
-  sys.puts('Count is ' + count + '. Incrementing now.');
+  util.puts('Count is ' + count + '. Incrementing now.');
   count++;
 }, 1000);

examples/error-on-timer.js

@@ -6,9 +6,9 @@
  *
  */
 
-var sys = require('sys');
+var util = require('util');
 
 setTimeout(function () {
-  sys.puts('Throwing error now.');
+  util.puts('Throwing error now.');
   throw new Error('User generated fault.');
 }, 200);

examples/server.js

@@ -1,4 +1,4 @@
-var sys = require('sys'),
+var util = require('util'),
     http = require('http'),
     argv = require('optimist').argv;
 
@@ -12,5 +12,5 @@ http.createServer(function (req, res) {
 }).listen(port);
 
 /* server started */
-sys.puts('> hello world running on port ' + port);
+util.puts('> hello world running on port ' + port);
 

examples/spawn-and-error.js

@@ -6,21 +6,21 @@
  *
  */
 
-var sys = require('sys'),
+var util = require('util'),
     path = require('path'),
     spawn = require('child_process').spawn;
 
 var child = spawn('node', [path.join(__dirname, 'count-timer.js')], { cwd: __dirname });
 
 child.stdout.on('data', function (data) {
-  sys.puts(data);
+  util.puts(data);
   //throw new Error('User generated fault.');
 });
 
 child.stderr.on('data', function (data) {
-  sys.puts(data);
+  util.puts(data);
 });
 
 child.on('exit', function (code) {
-  sys.puts('Child process exited with code: ' + code);
+  util.puts('Child process exited with code: ' + code);
 });