How to check in shell which output is primary?

Keith Packard keithp at
Mon Feb 13 20:42:52 PST 2012

<#part sign=pgpmime>
On Mon, 13 Feb 2012 19:16:55 +0100, Maciej Sitarz <macieksitarz at> wrote:

> I was trying to find a command telling which output reported by xrandr
> is primary one.

The first one is primary.

keith.packard at

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