Re: Also Wrapping an Interactive Unix Executable
Re: Also Wrapping an Interactive Unix Executable
- Subject: Re: Also Wrapping an Interactive Unix Executable
- From: Dan Saul <email@hidden>
- Date: Thu, 16 Dec 2004 09:46:57 -0600
popen()
On Thu, 16 Dec 2004 09:45:11 -0500, email@hidden
<email@hidden> wrote:
> This is a timely inquiry for me. I'm in the initial design stages of
> writing a program which needs to open up several ssh tunnels to other
> machines and execute local commands thereon. I had intended to use an
> NSTableView to display the results of each ssh tunnel.
>
> My question is, what's the best way to do this. Very preliminary
> attempts with system() or NSTask have not been able to catch ssh's
> prompting for password, etc., or returns an error about ssh expecting a
> terminal. Ideally I would like to do this where a user can be prompted
> for a login and password so that I'm not responsible for managing keys
> for specific hosts.
>
> Normally I would write an expect script for this sort of thing but I
> want more interaction and control over the different tasks (hence the
> NSTableView).
>
> Thanks much in advance.
>
> > Date: Thu, 16 Dec 2004 00:57:32 -0800
> > From: Erik Andr? Mendoza <email@hidden>
> > Subject: Wrapping an Interactive Unix Executable
> > To: email@hidden
> > Message-ID: <email@hidden>
> > Content-Type: text/plain; charset=US-ASCII; format=flowed
> >
> > Hi,
> >
> > I'm working on a GUI wrapper for a program called Latin WORDS, which
> > was originally developed in Ada for DOS, but which has since been
> > ported to OS X. I've managed to create a working program using NSTask.
> > However, the program is designed to remain running and receive an
> > indefinite amount of input. As I understand, NSTask can only be run
> > once, which makes it not ideally suited to my needs, as I wind up
> > having to launch the program and quit it every time the user inputs a
> > new argument, which is quite inefficient. Does anybody know of a
> > better way to accomplish my goal? I've done a lot of searching, and I
> > think the system() C function looks promising, but it may also suffer
> > from the same issues as NSTask. Thanks in advance.
> >
> >
> >
>
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