shell脚本远程服务器统一管理

#write by wozi
#!/bin/bash
HOSTS=(
    '[email protected]  7711'
    '[email protected]     7711    password'
)
function show() {
    echo 'ALL HOSTS'
    echo '==============================='
    for ((i=0; i<${#HOSTS[*]}; i++)); do
        no=$(($i + 1))
        echo $no ${HOSTS[i]} | awk '{printf("%s\t%s\n", $1, $2)}'
    done
    echo '==============================='
}
# show all hosts
show
# select host
echo 'select:  ' | tr -d '\n'
read select
if [[ $select -gt ${#HOSTS[*]} || $select -lt 1 ]]; then
    echo "invalid host number [no=$select]."
    exit
fi
# ssh
no=$(($select - 1))
host=$(echo ${HOSTS[$no]})
len=$(echo $host | awk '{print NF}')
ip=$(echo $host | awk '{print $1}')
port=$(echo $host | awk '{print $2}')
if [[ $len -eq 3 ]]; then
    echo $host | awk '{print $3}' | pbcopy
    #echo $host | awk '{print $3}' | xclip  -selection clipboard #ubuntu
fi
ssh -p $port $ip