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From: rouben@math16.math.umbc.edu (Rouben Rostamian)
Newsgroups: comp.unix.shell
Subject: Re: sed to remove newlines?
Keywords: sed
Message-ID: <1991May30.005548.19506@umbc3.umbc.edu>
Date: 30 May 91 00:55:48 GMT
References: <6356@iron6.UUCP>
Sender: newspost@umbc3.umbc.edu (News  posting account)
Distribution: comp.unix.shell
Organization: University of Maryland Baltimore County, Mathmatics Department
Lines: 17

In article <6356@iron6.UUCP> yeates@motcid.UUCP (Tony J Yeates) writes:
|Is it possible to remove newlines (i.e. \n) from a file using sed?  If
|so how?
|...
|[Our current requirement is to concatenate any lines ending with a ':' to  the
|next line in a file.   Although I can think of numerous other uses ( we
|usually end up using tr '\012' '<some char.>' as a work around).]

To concatenate lines ending in a ':' to the following line using sed, do:

sed '/:$/{N; s/\n//; }' <infile >outfile

--
Rouben Rostamian                          Telephone: (301) 455-2458
Department of Mathematics and Statistics  e-mail:
University of Maryland Baltimore County   bitnet: rostamian@umbc.bitnet
Baltimore, MD 21228,  U.S.A.              internet: rouben@math9.math.umbc.edu