ssh-connect.sh

#!/bin/sh
PS3="Which host? > "
select host in `cat ~/.ssh/config | egrep '^Host' | cut -d ' ' -f 2`; do
    [[ $host ]] && {
        echo "ssh connect to $host"
        ssh $host
        break;
    }
done

sshconfig_example

# ~/.ssh/config example

Host myhost1
  HostName        example.com
  User            toshi
  IdentityFile    ~/.ssh/your_id_rsa

Host myhost2
  HostName        192.168.xx.xx
  User            toshi
  ProxyCommand ssh myhost1 nc %h %p
  ServerAliveInterval 60
  ServerAliveCountMax 120