Path: utzoo!attcan!uunet!husc6!bloom-beacon!oberon!sm.unisys.com!hplabs!hpda!hpcupt1!hpsal2!morrell
From: morrell@hpsal2.HP.COM (Michael Morrell)
Newsgroups: comp.unix.questions
Subject: Re: Re: sed script to combine blank lines? (sed + awk solutions)
Message-ID: <14660005@hpsal2.HP.COM>
Date: 18 Oct 88 06:04:52 GMT
References: <1527@solo9.cs.vu.nl>
Organization: HP System Architecture Lab, Cupertino
Lines: 14

/ hpsal2:comp.unix.questions / dave@lsuc.uucp (David Sherman) /  3:49 pm  Oct 16, 1988 /
Some versions of UNIX (including 4.1BSD) include a program
call ssp(1) which does this; it's a bit faster than the
parallel awk script.

Also, if you know your text doesn't contain duplicate lines
(nroff output almost always qualifies, for example), good
old uniq(1) will do it.
----------

I thought the original problem was to replace multiple "blank" lines with
a single newline (\n), where "blank" included lines with only tabs and
formfeeds on them.  ssp and uniq will only help if the lines to be combined
are really blank.