fix az storage copy with wildcard '*' in source share file path

src/azure-cli/azure/cli/command_modules/storage/operations/fileshare.py

@@ -101,7 +101,7 @@ def _get_client(client, kwargs):
         directory_path = directory_path.replace('./', '', 1)
     dir_client = client.get_directory_client(directory_path=directory_path)
     file_name = kwargs.pop("file_name", None)
-    if file_name:
+    if file_name and file_name != '*':
         total_path = directory_path + '/' + file_name if directory_path else file_name
         dir_client = client.get_directory_client(directory_path=total_path)
         exists = False

src/azure-cli/azure/cli/command_modules/storage/tests/latest/test_storage_azcopy_scenarios.py

@@ -881,6 +881,19 @@ def test_storage_azcopy_file_account(self, resource_group, storage_account_info,
         self.assertEqual(3, sum(len(d) for r, d, f in os.walk(local_folder)))
         self.assertEqual(21, sum(len(f) for r, d, f in os.walk(local_folder)))
 
+        # Copy with wildcard *
+        self.cmd('storage directory create -s {} -n {} --account-name {}'.format(share, 'parent', storage_account))
+        self.cmd('storage directory create -s {} -n {} --account-name {}'
+                 .format(share, 'parent/source', storage_account))
+        self.cmd('storage copy --source-local-path "{}" --destination-account-name {} --destination-share {} '
+                 '--destination-file-path {} --recursive'
+                 .format(os.path.join(test_dir, 'butter/file_*'), storage_account, share, 'parent/source'))
+        self.cmd('storage copy --source-account-name {} --source-share {} --source-file-path {} --account-name {} '
+                 '--destination-share {} --destination-file-path {} --recursive -- --as-subdir=false'
+                 .format(storage_account, share, 'parent/source/*', storage_account, share, 'parent/target'))
+        self.cmd('storage file list -s {} --path {} --account-name {}'.format(
+            share, 'parent/target', storage_account), checks=JMESPathCheck('length(@)', 10))
+
     @ResourceGroupPreparer()
     @StorageAccountPreparer(parameter_name='first_account', allow_shared_key_access=False)
     @StorageAccountPreparer(parameter_name='second_account', sku='Premium_LRS', kind='BlockBlobStorage',