unrar and passwords

anyone knows how to get unrar to work with passwords?
the version I have doesn't handle protected archives, the classic version (MacUnrar) opens them fine and this is actually the only reason I have to use classic -(
thanks for any info

% unrar

UNRAR 2.50 freeware Copyright (c) 1993-99 Eugene Roshal

Usage: UNRAR <command> -<switch 1> -<switch N> <archive> <files...>
<@listfiles...> <path_to_extract\>
Specify empty listfile name to read names from stdin

<Commands>
x Extract with full path e Extract to current directory
t Test archive files p Print file to stdout
l List contents of archive v Verbosely list contents of archive

<Switches>
...
p<password> Set password
...


that work?