ctorrent: invalid option -- -
CTorrent dnh2   Original code Copyright: YuHong(992126018601033)
WARNING: THERE IS NO WARRANTY FOR CTorrent. USE AT YOUR OWN RISK!!!

Generic Options:
-h/-H           Show this message.
-x              Decode metainfo(torrent) file only, don't download.
-c              Check exist only. don't download.
-v              Verbose output (for debugging).

Download Options:
-e int          Exit while seed <int> hours later. (default 72 hours)
-E num          Exit after seeding to <num> ratio (UL:DL).
-i ip           Listen for connection on ip. (default all ip's)
-p port         Listen port. (default 2706 -> 2106)
-s save_as      Save file/directory/metainfo as... 
-C cache_size   Cache size,unit MB. (default 16MB)
-f              Force seed mode. skip hash check at startup.
-b bf_filename  Bit field filename. (use it carefully)
-M max_peers    Max peers count.
-m min_peers    Min peers count.
-z slice_size   Download slice/block size, unit KB. (default 16, max 128).
-n file_number  Which file download.
-D rate         Max bandwidth down (unit KB/s)
-U rate         Max bandwidth up (unit KB/s)
-P peer_id      Set Peer ID [-CD0200-]
-S host:port    Use CTCS server

Make metainfo(torrent) file Options:
-t              With make torrent. must specify this option.
-u url          Tracker's url.
-l piece_len    Piece length.(default 262144)

eg.
hong> ctorrent -s new_filename -e 12 -C 32 -p 6881 eg.torrent

home page: http://ctorrent.sourceforge.net/
see also: http://www.rahul.net/dholmes/ctorrent/
bug report: dholmes@ct.boxmail.com
original author: bsdi@sina.com