Add initial filings command

bin/filings

@@ -0,0 +1,3 @@
+#!/usr/bin/env node
+
+require('../lib/filings-cli').run()

package.json

@@ -1,13 +1,17 @@
 {
   "name": "filings",
   "descriptions": "SEC filings module",
+  "version": "0.0.0",
   "licenses": [
     {
       "type": "MIT",
       "url": "http://github.com/kevinsawicki/filings/raw/master/LICENSE.md"
     }
   ],
   "main": "./lib/filings.js",
+  "bin": {
+    "filings": "./bin/filings"
+  },
   "keywords": [
     "sec",
     "edgar",
@@ -40,6 +44,7 @@
   "dependencies": {
     "xpath": "0.0.5",
     "xmldom": "~0.1.16",
-    "ls-archive": "~0.5.0"
+    "ls-archive": "~0.5.0",
+    "optimist": "~0.4.0"
   }
 }

src/filings-cli.coffee

@@ -0,0 +1,21 @@
+fs = require 'fs'
+optimist = require 'optimist'
+
+parseOptions = (args=[]) ->
+  options = optimist(args)
+  options.usage('Usage: filings <command>')
+  options.alias('h', 'help').describe('h', 'Print this usage message')
+  options.alias('v', 'version').describe('v', 'Print the filings version')
+  options
+
+module.exports =
+  run: (args=process.argv[2..]) ->
+    options = parseOptions(args)
+    if options.argv.v
+      console.log JSON.parse(fs.readFileSync('package.json')).version
+    else if options.argv.h
+      options.showHelp()
+    else if command = options.argv._.shift()
+      console.error "Unrecognized command: #{command}"
+    else
+      options.showHelp()