Bash Quirkiness

[Robert P. J. Day]

On Mon, 26 Jul 2004, Alexander Dalloz wrote:

> $(foo) is the current notation and some day ` ` (backticks) will go away
> from bash (by it's developers).

one other subtle point is that this construct produces only what is 
sent to stdout -- stderr would still, by default, come to the tty.  if 
you really wanted both output streams, you could always do something 
like:

   VAR=$(command ... 2>&1)

but most folks typically want only stdout, anyway.

rday