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From: lcc.jbrown@UCLA-LOCUS.ARPA (Jordan Brown)
Newsgroups: net.unix
Subject: question on sed
Message-ID: <9899@brl-tgr.ARPA>
Date: Thu, 11-Apr-85 17:47:46 EST
Article-I.D.: brl-tgr.9899
Posted: Thu Apr 11 17:47:46 1985
Date-Received: Sun, 14-Apr-85 03:10:37 EST
Sender: news@brl-tgr.ARPA
Lines: 5

How about

echo $OBJECTS | tr ' ' '\012'

?