From: Wilson Bilkovich <wilsonb@...>
Date: 2006-10-27T08:35:07+09:00
Subject: Re: backtick commands and stderr

On 10/26/06, Alexandru Popescu <the.mindstorm.mailinglist@gmail.com> wrote:
> Hi!
>
> When executing a system op using the backtick method, the standard
> output is caught and returned in the assigned variable:
>
> output= `ls -Al`
>
> I am wondering what happens with the standard error output? I have
> written a script that executes well in the happy path scenario, but
> for the case where the invoked system tool is writting to stderr I
> have no idea how to trap that.
>
> Any help and ideas are highly appreciated,

Since it's a system command, you can ask it to redirect stderr to stdout:

output = `ls -Al 2>&1`