Fix dir parser stripping D: drive letter from parent directory path

lstrip(" Directory of ") strips any character in the set
{' ','D','i','r','e','c','t','o','y','f'}, which incorrectly removes
the 'D' from D:\ paths. Use fixed-length prefix removal with [len():]
instead.

Fixes #687

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

jc/parsers/dir.py

@@ -183,8 +183,8 @@ def parse(data, raw=False, quiet=False):
     if jc.utils.has_data(data):
 
         for line in data.splitlines():
-            if line.startswith(" Directory of"):
-                parent_dir = line.lstrip(" Directory of ")
+            if line.startswith(" Directory of "):
+                parent_dir = line[len(" Directory of "):]
                 continue
             # skip lines that don't start with a date
             if not re.match(r'^\d{2}/\d{2}/\d{4}', line):

tests/test_dir.py

@@ -95,6 +95,25 @@ class MyTests(unittest.TestCase):
         self.assertEqual(jc.parsers.dir.parse(self.windows_10_dir_S, quiet=True),
                          self.windows_10_dir_S_json)
 
+    def test_dir_drive_letter_d(self):
+        """
+        Test that the D: drive letter is not stripped from the parent path.
+        Regression test: lstrip(" Directory of ") strips any char in the set
+        {' ','D','i','r','e','c','t','o','y','f'}, which incorrectly removes
+        the 'D' from 'D:\\'.
+        """
+        data = (
+            ' Volume in drive D has no label.\r\n'
+            ' Volume Serial Number is 1234-5678\r\n'
+            '\r\n'
+            ' Directory of D:\\Users\\testuser\r\n'
+            '\r\n'
+            '03/24/2021  03:15 PM    <DIR>          .\r\n'
+            '03/24/2021  03:15 PM    <DIR>          ..\r\n'
+        )
+        result = jc.parsers.dir.parse(data, quiet=True)
+        self.assertEqual(result[0]['parent'], 'D:\\Users\\testuser')
+
 
 if __name__ == '__main__':
     unittest.main()