updated

1 files changed, 29 insertions, 0 deletions

diff --git a/using_Q/ls-test-3.js b/using_Q/ls-test-3.js
new file mode 100644
index 0000000..93ca560
--- /dev/null
+++ b/using_Q/ls-test-3.js
@@ -0,0 +1,29 @@
+#!/usr/local/bin/node
+Q = require('q');
+var childProcess = require('child_process'), ls;
+function dumper(content){
+  console.log(JSON.stringify(content));
+}
+
+function go_big(){
+  var promise_chain = Q.fcall(function(){});
+
+  var sync_operations = [ "ls | grep \"[^a-z]\"", "cat" ];
+  sync_operations.forEach(function(async_op) {
+      var promise_link = function() {
+          var deferred = Q.defer();
+          child_process.exec(async_op, function(error, stdout, stderr) {
+            var result = { "error" : error, "stdout" : stdout, "stderr" : stderr };  
+            deferred.resolve(result);
+          });
+          return deferred.promise;
+      };
+
+      // add the link onto the chain
+      promise_chain = promise_chain.then(promise_link);
+  });
+  return promise_chain
+}
+go_big().then(function(result){ dumper(result) } )
+//didn't quite get this one
+//https://coderwall.com/p/ijy61g