Rename session file for convenience

README.md

@@ -6,7 +6,7 @@ All URLs must be messages in the same channel. The output consists of writing ea
 
 The only mandatory dependency of the script is Telethon. You probably want cryptg as well for performance reasons when downloading larger files. With tqdm installed, you get a progress bar for each download.
 
-For authentication (always required), specify the `TELEGRAM_API_ID`, `TELEGRAM_API_HASH`, and `TELEGRAM_BOT_TOKEN` environment variables. The session is stored in a file `telegram-dl.session`; keeping this between executions is not critical but recommended.
+For authentication (always required), specify the `TELEGRAM_API_ID`, `TELEGRAM_API_HASH`, and `TELEGRAM_BOT_TOKEN` environment variables. The session is stored in a file `.telegram-dl.session`; keeping this between executions is not critical but recommended.
 
 A `Dockerfile` is provided for running with Docker. Simply provide the URL(s) as arguments on running the image. Data is written to the `/data` volume, which you may want to mount from the host machine instead.
 

telegram-dl.py

@@ -54,7 +54,7 @@ async def main():
 	ids = [x[1] for x in targets]
 
 	# Let's go...
-	client = telethon.TelegramClient('telegram-dl', API_ID, API_HASH)
+	client = telethon.TelegramClient('.telegram-dl', API_ID, API_HASH)
 	print('Connecting', file = sys.stderr)
 	await client.start(bot_token = BOT_TOKEN)
 	print('Fetching messages', file = sys.stderr)