what's the use of "{ list }" in /bin/sh?

[Bruce Wehr]

In article <23590 at teknowledge-vaxc.ARPA>, mkhaw at teknowledge-vaxc.ARPA (Mike Khaw) writes:
> "man sh" (on ultrix) says:
> 	{ list }
> 		The list is simply executed
> Under what circumstances is this useful (i.e., why whould one want to
> put braces around a list of commands)?

{
  echo "This is an example of how"
  echo "one can use the { list } "
  echo "construct to re-direct the"
  echo "output of several commands."
  date
  who
} >$HOME/test.log

{ echo "I hope these"; echo "examples are useful."; date; } 2>&1 | my.prog

-- 
                  Bruce Wehr ...!uunet!umix!teemc!fmeed1!wehr                   
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