Multi argument open and STDERR

James Laver james.laver at
Thu Oct 3 21:41:36 BST 2013

On 3 Oct 2013, at 21:26, Paul Weaver <paul.weaver at> wrote:

> How can I capture STDERR?

You're looking for IPC::Open3, I suspect. Certainly it's the closest analogue to the way you're doing it that I can think of.

I also note that ffmpeg is a strange beast and has a fairly undocumented remote control mechanism. At least I think that was ffmpeg. That only requires STDIN/STDOUT.


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