added dump option to cli

Author: greguz

README.md

@@ -152,7 +152,7 @@ npm install -g raidar
 ### Command line example
 
 ```
-$ raidar -t 5 -p
+$ raidar -p
 ```
 
 ### Command line output example
@@ -185,9 +185,19 @@ arch    nsp
 
 ## CLI arguments
 
-- `-t` or `--timeout`
-- `-p` or `--part`
-- `-i` or `--index`
+### timeout
+
+Use `-t` or `--timeout` to set timeout in seconds for ReadyNAS device to respond, default 10 seconds.
+
+### part
+
+Use `-p` or `--part` to show part info and `-i` or `--index` to particular one.
+
+### dump
+
+Use `-d` or `--dump` to dump original response from ReadyNAS device, accept a path as argument.
+
+ex: `$ raidar -d /home/user/dump`
 
 ## Running test
 

lib/cli.js

@@ -3,7 +3,9 @@
 
 // dependencies
 
-var chalk     = require('chalk'),
+var path      = require('path'),
+    fs        = require('fs'),
+    chalk     = require('chalk'),
     minimist  = require('minimist'),
     raidar    = require('./raidar');
 
@@ -46,7 +48,10 @@ var printStatus = function(status) {
 var argv    = minimist(process.argv.slice(2)),
     timeout = (argv.timeout || argv.t || 10) * 1000,
     part    = argv.part || argv.p,
-    index   = argv.index || argv.i;
+    index   = argv.index || argv.i,
+    dump    = argv.dump || argv.d;
+
+dump = dump === true ? '.' : dump;
 
 
 // start request
@@ -81,4 +86,13 @@ raidar.on('device', function(device) {
       device._data[name].forEach(printStatus);
     }
   }
+
+  if (dump) {
+    var file    = device.ip() + '.readynas',
+        target  = path.join(dump, file);
+
+    fs.writeFile(target, device._message, function(err) {
+      if (err) console.log(chalk.red(err));
+    });
+  }
 });