[clug] shell stdout and stderr

[Tony and Robyn Lewis]

Kim Holburn wrote:

>
> I *think* the simplest way is to use a sub shell.  Gets around all  
> those save environemt - mess it up - restore things:
>
> stuff
> stuff
> (
>   exec > ...
>   stuff
> )
> # back to old environment.
>
> Could be wrong here though.

Nice idea, but I'm setting the redirection in the main body of the 
script, and cancelling it in a function that hangs off a trap (so I can 
still log stuff that gets interrupted / killed or otherwise signalled).

 David's idea came up trumps though.

Ta all.

Tony