Refactoring tool detection, work in progress

lib/netsh.js

@@ -6,6 +6,7 @@
 const systemRoot = process.env.SystemRoot || 'C:\\Windows';
 const tool       = systemRoot + '\\System32\\netsh.exe';
 const cmdLine    = tool + ' wlan show networks mode=Bssid';
+const detector   = tool + ' -h';
 
 /**
  * Parsing netnsh output. Unfortunately netsh supplies the network information
@@ -90,5 +91,6 @@ function parseOutput(str, callback) {
 module.exports = {
   parseOutput: parseOutput,
   cmdLine    : cmdLine,
+  detector   : detector,
   tool       : tool
 };