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-rw-r--r--test/test_utils.py3
-rw-r--r--youtube_dl/utils.py1
2 files changed, 4 insertions, 0 deletions
diff --git a/test/test_utils.py b/test/test_utils.py
index 3fba8ae11..64fad58ad 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -85,8 +85,11 @@ class TestUtil(unittest.TestCase):
self.assertEqual(
sanitize_filename('New World record at 0:12:34'),
'New World record at 0_12_34')
+
self.assertEqual(sanitize_filename('--gasdgf'), '_-gasdgf')
self.assertEqual(sanitize_filename('--gasdgf', is_id=True), '--gasdgf')
+ self.assertEqual(sanitize_filename('.gasdgf'), 'gasdgf')
+ self.assertEqual(sanitize_filename('.gasdgf', is_id=True), '.gasdgf')
forbidden = '"\0\\/'
for fc in forbidden:
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index d4938ec36..1d3401bc2 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -305,6 +305,7 @@ def sanitize_filename(s, restricted=False, is_id=False):
result = result[2:]
if result.startswith('-'):
result = '_' + result[len('-'):]
+ result = result.lstrip('.')
if not result:
result = '_'
return result