Add name based inspection

.gitignore

@@ -1,3 +1,4 @@
+lib
 node_modules
 npm-debug.log
 *.DS_Store

README.md

@@ -22,6 +22,15 @@ It can also handle gzipped files. If the extension is .gz, it will decompress th
 jwalk somefile.json.gz
 ```
 
+## Running from source
+There is a makefile that tests against the package.json file located within the repository. Simply type
+
+```
+make
+```
+
+to compile the source files into javascript and execute jwalk against package.json
+
 ## Possible Commands
 
 Given the following json file

makefile

@@ -0,0 +1,12 @@
+START=node lib/index.js
+
+run: build
+	$(START) package.json
+
+build: clean
+	coffee -o lib .
+
+clean:
+	rm -rf lib
+
+.PHONY: clean build run

src/commands/Command.coffee

@@ -14,4 +14,10 @@ class Command
 	inspect: (obj, depth) ->
 		console.log util.inspect(obj, false, depth, true)
 
-module.exports = Command
+	inspectProperty: (obj, prop) ->
+    if obj[prop] != undefined
+      console.log util.inspect(obj[prop], false, 1, true)
+    else
+      console.log "Property does not exist"
+
+module.exports = Command

src/commands/Inspect.coffee

@@ -6,8 +6,15 @@ class Inspect extends Command
 		'examines a single node'
 
 	run: (context, args, callback) ->
-		depth = if args.length > 0 then Number(args[0]) else 1
-		@inspect context.pointer, depth
+		depth = 1
+		if args.length > 0 and isFinite args[0]
+      depth = Number args[0]
+      @inspect context.pointer, depth
+    else if args.length > 0
+      @inspectProperty context.pointer, args[0]
+    else
+      depth = 1
+      @inspect context.pointer, depth
 		callback()
 
-module.exports = Inspect
+module.exports = Inspect