Re: Shell command end check

[Joao Pedro Almeida Pereira <joao.almeida@xxxxxxxxxxx>]

Hello,
That is what i usually do.
But in this case the shell do not support linux commands like echo,&&,||

BR


On 18 October 2013 15:03, Andreas Schneider <asn@xxxxxxxxxxxxxx> wrote:

> On Wednesday 16 October 2013 08:22:39 Joao Pedro Almeida Pereira wrote:
> > Hello,
> > I am creating an application using libssh to connect against a remote
> > server using the shell mode of the application.
> > I need this to be shell like because i need to keep context of my
> location
> > and keep my connection open in order to ensure that i pass through a
> > process of initialization only once.
> > This takes me to a next problem, when i send a command via SSH the
> > application need to be aware when the command finished executing and as i
> > do not close the connection in the end nor i do a oneshot command i do
> not
> > receive the EOF to tell me that the execution ended.
> > How can i do this?
> >
> > I came up with 2 solutions for this problem and i dislike both of them:
> > 1. retrieve the pty in order to be able to search the output for the
> prompt.
> > This is not a good solution for me because my application will be be
> > connecting against 4 distinct shell's that will have multiple prompts
> > possible, and each shell can change is prompt.
> > 2. Send a "random" string, like a command, after my command and check the
> > output for the return of that string.
> >      This is not a good solution because i need to parse all the output
> to
> > find the end and my output is quite big for some commands that i will be
> > executing and that will penalize the command execution
> >
>
> ./myapplication && echo OK || echo KO
>
> Is normally the way to do it.
>
>
>
>         -- andreas
>
> --
> Andreas Schneider                   GPG-ID: CC014E3D
> www.cryptomilk.org                asn@xxxxxxxxxxxxxx
>
>
>


-- 
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João Pereira

Email: joao.almeida@xxxxxxxxxxx
Web: http://www.bluetc.es