[xmonad] Avoiding multiple status bar processes after XMonad restart

[Ben Boeckel]

On Sat, Jan 14, 2012 at 21:23:17 GMT, Jacek Generowicz wrote:
> Would you have any advice on avoiding multiple xmobar or dzen
> processes running as a consequence of XMonad restarts?
>
> Is there really nothing built in to XMonad that deals with this, or
> have I simply failed to find it?

There's a tool that xmobar ships with called xmonadpropwrite that writes
to the root X properties that xmobar can read. This allows you to run
xmobar once on startup and then XMonad is hooked to xmonadpropwrite
instead.

-- Ben