Add: --update --help

pendora-box.py

@@ -1,3 +1,4 @@
+import argparse
 import json
 from pathlib import Path
 import hashlib
@@ -432,9 +433,15 @@ def menu_choice(menu_options):
 
 
 if __name__ == '__main__':
+
+    parser = argparse.ArgumentParser(description='Sync your files and starts a listener on HTTP, SMB or SMB2.')
+    parser.add_argument('-u', '--update', action='store_true', help='update your files (described in config.json)')
+    args = parser.parse_args()
+
     with open("config.json", "r") as jsonfile:
         config = json.load(jsonfile)
 
+    if args.update:
         update(config)
     tmp = Path('files/tmp')
     is_empty = not any(tmp.iterdir())