ssh 自动补全别名

bash_profile.sh

_complete_hosts () {
        COMPREPLY=()
        cur="${COMP_WORDS[COMP_CWORD]}"
        host_list=`{
                for c in ~/.ssh/config
                do [ -r $c ] && sed -n -e 's/^[[:space:]]*Host[[:space:]]//p' $c
                done
                } | tr ' ' '\n'|grep -v '*'`
        COMPREPLY=( $(compgen -W "${host_list}" -- $cur))
        return 0
}

complete -F _complete_hosts ssh