diff --git a/php/postman-convert.php b/php/postman-convert.php
index 2ed5fbe..3e0b507 100644
--- a/php/postman-convert.php
+++ b/php/postman-convert.php
@@ -5,7 +5,7 @@
  * Simple Postman Collection Converter
  *
  * Author: Anthony Axenov (c) 2021
- * Version: v1.0
+ * Version: v1.1
  * License: MIT
  * Dependecies: php8.0, php-json
  *
@@ -33,6 +33,12 @@
  * Note: this script was quickly written to solve one exact problem in one NDA-project, so it may contain
  * stupid errors and (for sure) doesn't cover ALL of possible cases according to collection scheme. So feel
  * free to fork and change this script according your needs and to propose your fixes here.
+ ***********************************************************************************************************************
+ * Version history:
+ * 
+ * v1.0: initial
+ * v1.1: improved output directory structure
+ * 
  **********************************************************************************************************************/
 
 declare(strict_types = 1);
@@ -73,7 +79,7 @@ function out(mixed ...$data): void
  */
 function read_collection_file(string $path): object
 {
-    $content = file_get_contents(str_replace('~/', $_SERVER['HOME'], $path));
+    $content = file_get_contents(str_replace('~/', $_SERVER['HOME'] . '/', $path));
     $json = json_decode($content);
     return json_last_error() === JSON_ERROR_NONE
         ? $json
@@ -91,7 +97,7 @@ function read_collection_file(string $path): object
  */
 function write_request(object $request, ?string $dir_tree = null)
 {
-    $filepath = './files/' . ($dir_tree ? $dir_tree . '/' : '') . $request->name;
+    $filepath = OUTPUT_DIR . '/' . ($dir_tree ? $dir_tree . '/' : '') . $request->name;
     $httpfile = "$filepath.http";
     $mdfile = "$filepath.md";
 
@@ -104,7 +110,8 @@ function write_request(object $request, ?string $dir_tree = null)
         $httpfile,
         '# ' . str_replace("\n", "\n# ", $request->request->description) . "\n\n",
         FILE_APPEND
-    ) &&*/ file_put_contents($mdfile, "{$request->request->description}\n\n", FILE_APPEND);
+    ) &&*/
+    file_put_contents($mdfile, "{$request->request->description}\n\n", FILE_APPEND);
 
     // generating request data
     $url = "{$request->request->method} {$request->request->url->raw} HTTP/1.1";
@@ -179,9 +186,9 @@ function process_item($item = null)
             } else {
                 $dir_tree[] = $subitem->name;
                 $path = implode('/', $dir_tree);
-                !file_exists('./files/' . $path) && mkdir('./files/' . $path);
+                !file_exists(OUTPUT_DIR . "/$path/") && mkdir(OUTPUT_DIR . "/$path/", recursive: true);
                 isset($subitem->description) && file_put_contents(
-                    './files/' . $path . '/README.md',
+                    OUTPUT_DIR . "/$path/README.md",
                     $subitem->description
                 );
                 process_item($subitem->item);
@@ -206,13 +213,16 @@ function remove_directory(string $path): void
     foreach ($files as $file) {
         is_dir($file) ? remove_directory($file) : unlink($file);
     }
-    rmdir($path);
+    file_exists($path) && rmdir($path);
 }
 
 try {
-    remove_directory('./files');
-    !file_exists('./files/') && mkdir('./files/');
     $json = read_collection_file($argv[1] ?? throw new Exception('ERROR: No collection file specified'));
+    define('OUTPUT_DIR', './files/' . $json->info->name);
+    remove_directory(OUTPUT_DIR);
+    !file_exists(OUTPUT_DIR) && mkdir(OUTPUT_DIR, recursive: true) || throw new Exception(
+        'ERROR: Cannot create output directory: ' . OUTPUT_DIR
+    );
     process_item($json->item);
 } catch (Exception $e) {
     out($e->getMessage());