From: Rilindo Foster <rilindo@...>
Date: 2010-07-09T03:32:36+09:00
Subject: Re: Ruby Expect

Hi Richard! Nice to see you!

For just logging in, you can use net::ssh 2.x:

http://net-ssh.rubyforge.org/

Some of the functionality you usually utilize in Expect can be invoke in this module.


On Jul 8, 2010, at 2:23 PM, Rich Masci wrote:

> I have a expect scripts that I use to get from system to system, and
> would like to translate them into Ruby. These scripts I use to ssh into
> a system, setup environment variables and aliases that then turn over
> control to me.. My scripts are usually a lot longer bug basically in
> Expect:
> 
> set host [lindex $argv 0]
> set password "myp@$$"
> set prompt "
> spawn ssh $host
> expect -re "\[P|p]asssword
> send "$password\r"
> expect $prompt
> send "<custom environment variables and aliases>\r"
> interact
> 
> Invoking a script like this with a hostname or ip address will log me
> into that system, and customize it for my liking without making changes
> to the server it's self.  Expect also allows you to log your session
> (not shown in above example) so two months later you can pull your log
> file and see how you ran a given command.
> 
> Is there any Ruby extension that gives me the same functionality?  The
> book 'Exploring Expect' has a chapter on using the expect library with
> Ruby or other C programs, has anyone attempted to use his library with
> Ruby? I also see that ruby tk has a way of wrapping tcl commands, and in
> irb I've actually loaded the Expect extension for TCL, but I've no idea
> how to use it.
> -- 
> Posted via http://www.ruby-forum.com/.
>