Added README, LICENSE and better no-url handling.

LICENSE

@@ -0,0 +1,39 @@
+Copyright 2013, Matteo Collina (the "Original Author")
+All rights reserved.
+
+MIT +no-false-attribs License
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+Distributions of all or part of the Software intended to be used
+by the recipients as they would use the unmodified Software,
+containing modifications that substantially alter, remove, or
+disable functionality of the Software, outside of the documented
+configuration mechanisms provided by the Software, shall be
+modified such that the Original Author's bug reporting email
+addresses and urls are either replaced with the contact information
+of the parties responsible for the changes, or removed entirely.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+
+Except where noted, this license applies to any and all software
+programs and associated documentation files created by the
+Original Author, when distributed with the Software.

README.md

@@ -0,0 +1,37 @@
+CoAP-CLI
+============================
+
+[![Build
+Status](https://travis-ci.org/mcollina/coap-cli.png)](https://travis-ci.org/mcollina/coap-cli)
+
+__CoAP-CLI__ is a command line interface for CoAP, built on node.js and
+[node-coap](http://github.com/mcollina/node-coap).
+
+What is CoAP?
+----------------------------
+
+> Constrained Application Protocol (CoAP) is a software protocol
+intended to be used in very simple electronics devices that allows them
+to communicate interactively over the Internet. -  Wikipedia
+
+Usage
+----------------------------
+
+```
+  Usage: coap [options] url
+
+  Options:
+
+    -h, --help         output usage information
+    -V, --version      output the version number
+    -n, --no-new-line  No new line at the end of the stream
+```
+
+License
+----------------------------
+
+Copyright (c) 2013 Matteo Collina
+
+node-coap is licensed under an MIT +no-false-attribs license.
+All rights not explicitly granted in the MIT license are reserved.
+See the included LICENSE file for more details.

index.js

@@ -4,17 +4,21 @@ var program = require('commander')
   , version = require('./package').version
   , request = require('coap').request
 
-
 program
   .version(version)
   .option('-n, --no-new-line', 'No new line at the end of the stream', 'boolean', true)
+  .usage('[options] url')
   .parse(process.argv)
 
+if (!program.args[0]) {
+  program.outputHelp()
+  process.exit(-1)
+}
 
 request(program.args[0]).on('response', function(res) {
   res.pipe(process.stdout)
 
-  if (program.newLine)
+  if (res.code !== '4.04' && program.newLine)
     res.on('end', function() {
       process.stdout.write('\n')
     })

test.js

@@ -56,4 +56,23 @@ describe('coap', function() {
       res.end('hello matteo')
     })
   })
+
+  it('should print help if no url', function(done) {
+    call().stdout.pipe(concat(function(data) {
+      expect(data.toString()).to.match(/Usage/)
+      done()
+    }))
+  })
+
+  it('should should not emit a new line if the response was a 4.04', function(done) {
+    call('coap://localhost').stdout.pipe(concat(function(data) {
+      expect(data).to.equal(undefined)
+      done()
+    }))
+
+    server.once('request', function(req, res) {
+      res.statusCode = 404
+      res.end()
+    })
+  })
 })