From: "Ståle Z.H" <szerener@...>
Date: 2008-08-02T04:54:13+09:00
Subject: Re: Capturing shell command output and success?

Not quite sure if I understood you right, but you could probably do
something like this:
res = `command`  # note: ` not '

This executes 'command' and stores the output in res.

Kyle Schmitt skrev:
> I know shell commands have beaten to death on this list, but searching
> the archives I couldn't quite find what I was looking for.
>
> I want a way to capture the output of the shell command, and the
> success or failure of it.
>
> Of course I've used system("") and %x, and I have been successful in
> getting the return code using @?, although something about it rubs me
> the wrong way.  Not the least of which is that standard error isn't
> captured by anything.
>
> In the case of what I'm doing now, I'd like to shell out to tar, have
> an error returned to me if tar doesn't complete successfully, AND have
> the output of tar for parsing.
>
> Is there a clean mechanism to do this?
>
> Thanks
> --Kyle