Path: utzoo!attcan!uunet!samsung!uakari.primate.wisc.edu!uflorida!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.unix.questions
Subject: Re: { and } with for in /bin/sh
Keywords: for do done
Message-ID: <12430@smoke.BRL.MIL>
Date: 24 Mar 90 23:30:51 GMT
References: <237@sherpa.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 8

In article <237@sherpa.UUCP> rac@sherpa.UUCP (Roger Cornelius) writes:
-I recently came across some sh code which uses { and } instead of
-do ... done in a for loop.  I've never seen this documented in any sh
-or ksh man page, so should it therefore be considered non-portable?
-When was this introduced and why isn't it documented?

It IS documented.  So far as I can tell it's supported by all Bourne
shells.