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#1 init repo, commit version 1.0
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‎.go.conf.example‎

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# IP USER:PASS Label
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192.168.1.7 user1:pass1 label:7
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192.168.1.8 user2:pass2 label:8
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‎README.md‎

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Go
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==
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What is Go?
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-----------
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This Go is not the programming language from Google. This is a shell command which can help manage multiple remote servers SSH access easily, and do not need to remember so many accounts for those servers.
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OS requirements
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---------------
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The command tested on MacOSX, but should be working on most linux distributions. It depends on expect on your local system, and the remote servers need to enable SSH.
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If you feels something wrong, please [file an issue](https://github.com/vipzhicheng/go/issues/new) on this project, because I do not test the scripts on every case, but I am happy to help you out.
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Usage
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-----
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I am just showing the usage for MacOSX users, other OS usage maybe different, but the idea is same.
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### Check out code from Github
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```
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$ mkdir ~/bin
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$ cd ~/bin
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$ git clone https://github.com/vipzhicheng/go.git
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$ cd go
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$ cp .go.conf.example ~/.go.conf
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$ chmod a+x go
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$ chmod a+x ssh-expect
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```
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### Set PATH in .bash_profile
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```
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export PATH=~/bin/go:~/bin:$PATH
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```
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```
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$ source ~/.bash_profile
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```
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### Set ~/.go.conf, you can see demo settings as follows.
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```
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# IP USER:PASS LABEL
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192.168.1.7:22000 user1:pass1 label:7
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192.168.1.8 user2:pass2 label:8
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192.168.1.9 user3::absolute_private_file_path label:9
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```
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You can ignore port setting if you are using default port(22) in remote server.
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### How to use this command
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```
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$ go label
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Found follow servers: (Which one do you want to connect?)
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[1] user1@192.168.1.7 label:7
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[2] user2@192.168.1.8 label:8
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Please choose by ID:
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1
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Logging into user1@192.168.1.7 ...
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spawn ssh user1@192.168.1.7 -p 22000
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user1@192.168.1.7's password:
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Last login: Mon Mar 10 18:35:02 2014 from 192.168.1.6
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$
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```
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### Options
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There is only one option, -g, with this option, you can add -D7070 to the connection.
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### Change log
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2015-06-01
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1. Ignore comments lines
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2. Add support for secret file
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Inspiration & Thanks
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--------------------
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I know it must be somewhere about the situation of manage multiple SSH accesses via expect. Then I found [this](http://imbugs.com/blog/articles/99.html), which is written in Chinese. Thanks for the code, most of this project is from that code, but some features I need are missing. so I added them into this project.
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‎go‎

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#!/bin/bash
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# Define config directory and config path
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GO_HOME=~
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AUTHFILE=$GO_HOME/.go.conf
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# Parse options
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while getopts gh ARGS
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do
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case $ARGS in
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g)
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extra_options="-D7070"
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shift
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;;
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h)
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echo "usage: go [-gh] foo bar"
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exit 0;
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;;
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*)
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echo "Unknow option: $ARGS"
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echo "usage: go [-gh] foo bar"
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exit 1;
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;;
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esac
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done
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# Config search function
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# Support AND logic, separated by blank char
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GREP()
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{
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if [ -z "$*" ]; then
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var="^[^#].*"
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tmp_var=`cat $AUTHFILE | grep -i $var`
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echo "$tmp_var"
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return
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fi
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index=1;
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for var in $@
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do
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if [[ "$var" =~ ^- ]];then
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index=$((index+1));
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continue
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fi
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if [ "$var" = "${!index}" ];then
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var="^[^#].*$var.*"
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tmp_var=`grep -i $var $AUTHFILE`
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else
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var="^[^#].*$var.*"
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tmp_var=`echo "$tmp_var" | grep -i $var`
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fi
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done
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echo "$tmp_var"
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}
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# Get choice
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GET_CHAR()
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{
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read choice
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echo $choice;
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}
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# Support input keywords by arguments or read from command line input
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if [ -z $1 ];then
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echo -n "Please input the server IP or Label： "
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read target
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else
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target=$@
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fi
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# Parse config search result
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count=`GREP $target | wc -l`
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targetfullname=`GREP $target | awk '{print $1}' | awk -F ':' '{print $1}'`
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port=`GREP $target | awk '{print $1}' | awk -F ':' '{if ($2 > "") {print $2} else {print 22}}'`
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passwd=`GREP $target | awk '{print $2}' | awk -F ':' '{if ($2 > "") {print $2} else {print "-"}}'`
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sshkey=`GREP $target | awk '{print $2}' | awk -F ':' '{if ($3 > "") {print $3} else {print "-"}}'`
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user=`GREP $target | awk '{print $2}' | awk -F ':' '{print $1}'`
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label=`GREP $target | awk '{print $3}'`
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# Process the case of more than one items in search results.
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if [ $count -gt 1 ];then
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echo -e 'Found follow servers: (\033[0;31mWhich one do you want to connect?\033[0m)'
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arrtarget=($targetfullname)
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arruser=($user)
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arrpasswd=($passwd)
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arrlabel=($label)
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arrport=($port)
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arrsshkey=($sshkey)
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length=${#arrtarget[@]}
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for ((i=0; i<$length; i++))
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do
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echo -e '[\033[4;34m'$(($i+1))'\033[0m]' "${arruser[$i]}@${arrtarget[$i]}:${arrport[$i]} ${arrlabel[$i]}"
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done
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# Choose one from search results
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echo -n "Please choose by ID: "
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choice=`GET_CHAR`
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echo ""
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echo $choice;
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if [[ "$choice" =~ ^[0-9]+$ ]]; then
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echo '';
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else
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exit 1;
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fi
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targetfullname=${arrtarget[$(($choice-1))]}
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passwd=${arrpasswd[$(($choice-1))]}
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user=${arruser[$(($choice-1))]}
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label=${arrencoding[$(($choice-1))]}
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port=${arrport[$(($choice-1))]}
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sshkey=${arrsshkey[$(($choice-1))]}
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fi
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# Bad cases
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if [ -z $targetfullname ] || [ -z $user ];then
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echo "No matching server~";
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exit 1;
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fi
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target=$targetfullname
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# Any key value should not be empty
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if [ -z $port ]; then
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port=22
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fi
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if [ -z $passwd ]; then
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passwd=-
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fi
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if [ -z $extra_options ]; then
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extra_options=-
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fi
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if [ -z $sshkey ]; then
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sshkey=-
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fi
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echo "Logging into ${user}@${target} ${label}..."
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ssh-expect $user $target $passwd $port $extra_options $sshkey

‎ssh-expect‎

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#!/usr/bin/expect
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set USER [lindex $argv 0]
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set TARGET [lindex $argv 1]
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set PASSWD [lindex $argv 2]
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set PORT [lindex $argv 3]
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set OPTS [lindex $argv 4]
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set SSHKEY [lindex $argv 5]
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trap {
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set rows [stty rows]
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set cols [stty columns]
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stty rows $rows columns $cols < $spawn_out(slave,name)
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} WINCH
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if { $OPTS == "-" } {
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set OPTS ""
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}
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if {$SSHKEY != "-"} {
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spawn ssh $USER@$TARGET -p $PORT -i $SSHKEY $OPTS
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expect {
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"yes/no" { send "yes\r"; exp_continue }
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}
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} else {
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spawn ssh $USER@$TARGET -p $PORT $OPTS
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expect {
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"yes/no" { send "yes\r"; exp_continue }
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"password:" { send "$PASSWD\r" }
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}
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}
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interact {
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timeout 60 { send " "}
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}

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