SSH Script

#!/bin/bash
if [ $# -eq 0 ]
  then
    echo 'no server supplied'
        exit 1
fi
INPUT=$2
case "$INPUT" in
  abc)
    ssh user1@$1
    ;;
  def)
    ssh user2@$1
    ;;
  *)
    ssh user3@$1
    ;;
esac

#!/bin/bash if [ $# -eq 0 ] then echo 'no server supplied' exit 1 fi INPUT=$2 case "$INPUT" in abc) ssh user1@$1 ;; def) ssh user2@$1 ;; *) ssh user3@$1 ;; esac

./login.sh
no server supplied
./login.sh server3 abc
ssh user1@server3
./login.sh server2 def
ssh user2@server2
./login.sh server1
ssh user3@server1

./login.sh no server supplied ./login.sh server3 abc ssh user1@server3 ./login.sh server2 def ssh user2@server2 ./login.sh server1 ssh user3@server1