Path: utzoo!mnetor!uunet!steinmetz!davidsen
From: davidsen@steinmetz.steinmetz.UUCP (William E. Davidsen Jr)
Newsgroups: comp.emacs
Subject: Re: A regexp for blank lines
Message-ID: <9961@steinmetz.steinmetz.UUCP>
Date: 16 Mar 88 14:23:11 GMT
References: <8803140423.AA16847@ucbvax.Berkeley.EDU> <8803141754.AA13487@trwrb>
Reply-To: davidsen@crdos1.UUCP (bill davidsen)
Organization: General Electric CRD, Schenectady, NY
Lines: 8

sed '/^$/d' infile > outfile

also doesn't remove lines which are not null, which you can do by
	sed '/^[ \t]*$/d' infile > outfile
-- 
	bill davidsen		(wedu@ge-crd.arpa)
  {uunet | philabs | seismo}!steinmetz!crdos1!davidsen
"Stupidity, like virtue, is its own reward" -me