From: Obie Fernandez <obiefernandez@...>
Date: 2005-11-24T22:47:46+09:00
Subject: Re: TN3270E library for Ruby?

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Wilson,

I'm currently writing a book on enterprise ruby on rails for addison-wesley
and your message definitely caught my eye because it's one of the topics I
want to cover. I don't know of any software like you describe, but if you
would like to discuss possible collaboration please let me know and we migh=
t
be able to figure something out.

Obie

On 11/23/05, Wilson Bilkovich <wilsonb@gmail.com> wrote:
>
> Has anyone done anything with the 3270 protocol in Ruby?
> I write a lot of code that needs connectivity to IBM mainframe hosts
> via TN3270E.  At the moment, I do that by 'wiring up' a terminal
> emulator and telling it to do things for me.
> However, this means that I only get one instance per terminal session,
> and because these things are graphical, I can't run it headless inside
> a cron job, etc, etc.
>
> I now need something more industrial-strength that I can run many
> concurrent copies of, etc, etc.  I'd like to build a Ruby framework
> for the kinds of things I do with 3270, and slap it on top of a
> library.
>
> For fellow mainframe geeks, imagine (totally contrived example,
> probably not what it would look like):
> host.screen do |s|
>    s.put :text =3D> "Hello World" :field =3D> 'fieldname'
>    s.transmit if scr.ready?
> end
>
> Unfortunately, I can't find anything that implements 3270 other than
> terminal emulators and other application-level stuff.  It would be
> nice if there were some C library that could be wrapped as a Ruby
> extension.
>
> Has anyone done anything like this, and just kept it around for
> personal use?  I'd like to avoid reinventing the wheel, but if I'm the
> only one with this need, I'll go ahead and start working on a library.
>
> Thanks,
> --Wilson.
>
>

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