cmdOpts=${cmdOpts/ --no-newline / }
            ;;
            --no-newline)
                cmdOpts=${cmdOpts/ -n / }
            ;;
            -h)
                cmdOpts=${cmdOpts/ --help / }
            ;;
            --help)
                cmdOpts=${cmdOpts/ -h / }
            ;;
            -c)
                cmdOpts=${cmdOpts/ --committed / }
            ;;
            --committed)
                cmdOpts=${cmdOpts/ -c / }
            ;;
        esac;
    done;
    COMPREPLY=($( compgen -W "$cmdOpts" -- $cur ));
    return 0
}
_sysvdirs ()
{
    sysvdirs=();
    [[ -d /etc/rc.d/init.d ]] && sysvdirs+=(/etc/rc.d/init.d);
    [[ -d /etc/init.d ]] && sysvdirs+=(/etc/init.d);
    [[ -f /etc/slackware-version ]] && sysvdirs=(/etc/rc.d)
}
_terms ()
{
    COMPREPLY+=($( compgen -W         "$( sed -ne 's/^\([^[:space:]#|]\{2,\}\)|.*/\1/p' /etc/termcap             2>/dev/null )" -- "$cur" ));
    COMPREPLY+=($( compgen -W "$( { toe -a 2>/dev/null || toe 2>/dev/null; }         | awk '{ print $1 }' | sort -u )" -- "$cur" ))
}
_tilde ()
{
    local result=0;
    if [[ $1 == \~* && $1 != */* ]]; then
        COMPREPLY=($( compgen -P '~' -u "${1#\~}" ));
        result=${#COMPREPLY[@]};
        [[ $result -gt 0 ]] && compopt -o filenames 2> /dev/null;
    fi;
    return $result
}
_ufw ()
{
    cur=${COMP_WORDS[COMP_CWORD]};
    prev=${COMP_WORDS[COMP_CWORD-1]};
    if [ $COMP_CWORD -eq 1 ]; then
        COMPREPLY=($( compgen -W "$(_ufw_commands)" $cur ));
    else
        if [ $COMP_CWORD -eq 2 ]; then
            case "$prev" in
                app)
                    COMPREPLY=($( compgen -W "$(_ufw_app_commands)" $cur ))
                ;;
                status)
                    COMPREPLY=($( compgen -W "$(_ufw_status_commands)" $cur ))
                ;;
                delete)
                    COMPREPLY=($( compgen -W "$(_ufw_rule_commands)" $cur ))
                ;;
                logging)
                    COMPREPLY=($( compgen -W "$(_ufw_logging_commands)" $cur ))
                ;;
                show)
                    COMPREPLY=($( compgen -W "$(_ufw_show_commands)" $cur ))
                ;;
                default)
                    COMPREPLY=($( compgen -W "$(_ufw_default_commands)" $cur ))
                ;;
            esac;
        fi;
    fi
}
_ufw_app_commands ()
{
    ufw --help | sed -e '1,/^Application profile commands:/d' -e '/^ [^ ]/!d' -e 's/[ \t]\+app[ \t]\+\([a-z|]\+\)[ \t]\+.*/\1/g'
}
_ufw_commands ()
{
    commands=$(ufw --help | sed -e '1,/^Commands:/d' -e '/^Application profile commands:/Q' -e 's/^[ \t]\+\([a-z|]\+\)[ \t]\+.*/\1/g' -e 's/|/ /g' | uniq);
    echo "$commands app"
}
_ufw_default_commands ()
（未完）