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Date: Thu, 18 Nov 2004 14:12:39 -0500 (EST)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Stephen Studley <sstudley AT adobe DOT com>
cc: cygwin AT cygwin DOT com
Subject: Re: Executing ssh from perl
In-Reply-To: <p0610050abdc2a0cde006@[153.32.225.133]>
Message-ID: <Pine.GSO.4.61.0411181407420.17559@slinky.cs.nyu.edu>
References: <p0610050abdc2a0cde006@[153.32.225.133]>
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On Thu, 18 Nov 2004, Stephen Studley wrote:

> Apologies in advance if this a well covered issue, as I'm pretty sure it has
> been. I did look through the lists email archive and found too many variations
> on similar issues to be helpful.
>
> Problem: ssh command hangs when executed from perl script using back-tics.
>
> The same command (no back-tics) works as expected from Windows cmd shell and
> cygwin terminal.
>
> I need to capture the return results from the command. i.e.
> my $str = `ssh <user>@machine ls <some dir>`;
>
> In looking at the debug output, I simply never get a response from the remote
> machine. The last line in the problem scenario is:
> debug3: channel 0: will not send data after close
>
> The successful scenario simply returns the expect stdout:
> debug3: channel 0: will not send data after close
> <some dir>/<files>
>
> Thanks in advance.
>
> Stephen

Try giving the "-n" argument to ssh.
	Igor
-- 
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"The Sun will pass between the Earth and the Moon tonight for a total
Lunar eclipse..." -- WCBS Radio Newsbrief, Oct 27 2004, 12:01 pm EDT

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