expect telnet issue

[Bill Campbell]

On Mon, Oct 15, 2007, Lonni J Friedman wrote:
>Greetings folks,
>I've got a few expect scripts that I'm trying to use to automate
>telnet logins on some remote power switches.  The expect scripts work
>perfectly on their own, but I want/need to create a wrapper for them
>so that they're all unified through a single script.  When I call the
>expect script via a wrapper bash script, it no longer works.  I get as
>far as the "spawn telnet foo.com" command, and then it just stalls
>without ever sending the username/password jazz.
>
>I'm guessing that some kind of env variable isn't getting passed
>somewhere, but I can't figure out what.
>
>Anyone have any ideas on what might be going wrong?

I expect this has something to do with mapping of standard input
and standard output when run from a script.

I have used the perl expect modules for doing this sort of thing,
but it's been several years since I last tackled any of these.

Learning tcl might be another alternative.

Bill
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