added docopt.php first try

.gitignore

@@ -0,0 +1 @@
+/vendor/

bin/gendiff

@@ -0,0 +1,26 @@
+#!/usr/bin/env php
+<?php
+$doc = <<<DOC
+Generate diff
+
+Usage:
+  gendiff (-h|--help)
+  gendiff (-v|--version)
+
+Options:
+  -h --help                     Show this screen
+  -v --version                  Show version
+
+DOC;
+
+$autoloadPath1 = __DIR__ . '/../../../autoload.php';
+$autoloadPath2 = __DIR__ . '/../vendor/autoload.php';
+
+if (file_exists($autoloadPath1)) {
+    require_once $autoloadPath1;
+} else {
+    require_once $autoloadPath2;
+}
+$args = Docopt::handle($doc, array('version'=>'Generate diff'));
+foreach ($args as $k=>$v)
+    echo $k.': '.json_encode($v).PHP_EOL;

composer.json

@@ -0,0 +1,14 @@
+{
+    "name": "hexlet/code",
+    "description": "calculate diferencies",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Vladimir",
+            "email": "[email protected]"
+        }
+    ],
+    "require": {
+        "docopt/docopt": "^1.0"
+    }
+}