() simple array indexing.

lib/jsonCommand.js

@@ -249,21 +249,34 @@ JSON.Command.prototype.processKeys = function(parsedObject) {
     var hsh = {}, cols = [];
     for (var i = 0; (i < this.keys.length); i++) {
       try { 
-        if (this.keys[i].indexOf(".") > -1) {
+        if ((this.keys[i].indexOf(".") > -1) || (this.keys[i].indexOf("[") > -1)) {
           // create any keys that don't exist in the object chain
-          var s = this.keys[i].split(".");
-          for (var j = 1; (j < s.length); j++) {
-            // create necessary keys
-            var evalStr = "hsh." + s.slice(0,j).join(".");
-            if (!eval(evalStr)) {
-              eval("hsh." + s.slice(0,j).join(".") + " = {};");
+          if (this.keys[i].indexOf(".") > -1) {
+            var s = this.keys[i].split(".");
+            for (var j = 1; (j < s.length); j++) {
+              // create necessary keys
+              var evalStr = "hsh." + s.slice(0,j).join(".");
+              if (!eval(evalStr)) {
+                eval("hsh." + s.slice(0,j).join(".") + " = {};");
+              }
             }
+            var evalStr = "hsh." + s.join(".") + " = " + "parsedObject." + s.join(".");
+            eval(evalStr);
+            cols.push(eval("parsedObject." + s.join(".")));
+          }
+          if (this.keys[i].indexOf("[") > -1) {
+            var simpleKey = this.keys[i].split("[").shift(); 
+            // instantiate array
+            var instStr = "if (!hsh." + simpleKey + ") { hsh." + simpleKey + " = []; }";;
+            eval(instStr);
+            // push val to array
+            var evalStr = "hsh." + simpleKey + ".push(" + "parsedObject." + this.keys[i] + ")";
+            eval(evalStr);
+            cols.push(eval("parsedObject." + this.keys[i]));
           }
-          var evalStr = "hsh." + s.join(".") + " = " + "parsedObject." + s.join(".");
-          eval(evalStr);
-          cols.push(eval("parsedObject." + s.join(".")));
         }
         else {
+          // no expansion
           hsh[this.keys[i]] = parsedObject[this.keys[i]];
           cols.push(parsedObject[this.keys[i]]);
         }

package.json

@@ -1,5 +1,5 @@
 { "name": "json"
-, "version": "0.0.6"
+, "version": "0.0.7"
 , "engines": [ "node >=0.2.0" ]
 , "description": "JSON command line processing toolkit."
 , "author": "Zachary Poley <zpoley@gmail.com> (http://zpoley.net)"

test/test.js

@@ -9,6 +9,9 @@ var testObj = {
     id : 1310571,
     name : "foo"
   },
+  arr : [
+    'a', 'b', 'c'
+  ],
   created_at : 127817599
 };
 
@@ -101,9 +104,9 @@ function printTestName(testName) {
     printTestName("testProcessKeys");
 
     var jsonC = new JSON.Command();
-    jsonC.processArgs([ "user.name", "text" ]);
-    assert.equal(jsonC.keys.length, 2,
-      "processedKeys keys length == 2");
+    jsonC.processArgs([ "user.name", "text", "arr[1]" ]);
+    assert.equal(jsonC.keys.length, 3,
+      "processedKeys keys length == 3");
 
     var resObj = jsonC.processKeys(testObj);
 
@@ -117,6 +120,9 @@ function printTestName(testName) {
       "processKeys result object created_at is undefined is true");
     assert.equal(resObj.user.id, undefined,
       "processKeys result object user.id is undefined is true");
+    assert.equal(resObj.arr[0], testObj.arr[1],
+      "processKeys result object arr[0] = testObj.arr[0] is true");
+
   })();
 
 })();