int     pick( string str )
{
    string  dir;

    if( !sscanf( str, "pick %s", dir ) )
    {
	notify_fail( "pick <direction>" );
	return 0;
    }
    if( member_array( dir, ( string * )environment( this_player() )->query_dest_dir() ) == -1 )
    {
	notify_fail( "No door in that direction.\n" );
	return 0;
    }
    return 1;
}