%(autonumber)s to get an automatically incremented
number, %(ext)s for the filename extension,
%(upload_date)s for the upload date (YYYYMMDD), and
- %% for a literal percent
+ %% for a literal percent. Use - to output to
+ stdout.
-a, --batch-file FILE file containing URLs to download ('-' for stdin)
-w, --no-overwrites do not overwrite files
-c, --continue resume partially downloaded files