better style code

debomatic-webui/lib/parser.coffee

-#jshint multistr: true 
+path = require('path')
+
 Parser = ->
-    args = process.argv.slice(2)
+    args = process.argv[2..]
+
     help = ->
-        console.log "Usage: %s [-c config]\n    -h print this help \n    -c set user configuration file", process.argv[1].split("/").pop()
+        console.log """
+                    Usage: %s [-c config]
+                       -h print this help
+                       -c set user configuration file
+                    """, process.argv[1].split("/").pop()
         process.exit 0
         return
 
     @getUserConfig = ->
-        configFile = null
-        args.forEach (val, index) ->
-            if val is "-c"
-                configFile = args[index + 1]
-                return
+        if '-c' in args
+            if args.length < 2
+                help()
+            return args[args.indexOf('-c') + 1]
+        return null
 
-        if configFile
-            process.cwd() + "/" + configFile
-        else
-            null
+    if '-h' in args
+        help()
 
-    args.forEach (val, index) ->
-        help() if val is "-h"
-        return
-
-    return
-"use strict"
 module.exports = Parser