Path: utzoo!attcan!uunet!mcsun!hp4nl!phigate!ehviea!leo
From: leo@ehviea.ine.philips.nl (Leo de Wit)
Newsgroups: comp.unix.questions
Subject: Re: Deleting (Only) First Blank Line in File
Message-ID: <820@ehviea.ine.philips.nl>
Date: 2 Jul 90 05:33:40 GMT
References: <1651@fallst.UUCP> <819@ehviea.ine.philips.nl> <1607@quando.quantum.de>
Reply-To: leo@ehviea.UUCP (Leo de Wit)
Distribution: comp
Organization: Philips I&E Eindhoven
Lines: 30

In article <1607@quando.quantum.de> omerzu@quando.quantum.de (Thomas Omerzu) writes:
|
|In article <819@ehviea.ine.philips.nl> leo@ehviea.UUCP (Leo de Wit) writes:
|
|>In article <1651@fallst.UUCP> tkevans@fallst.UUCP (Tim Evans) writes:
|>|Can someone help me to delete the _first_ occurring blank line of a file
|>|(whereever it occurs) without deleting subsequent ones?
|>|
|>|You'd think the following would work, but it doesn't:
|>|
|>|	sed 's/^$//1' foo > newfoo
|>
|>Sure. It isn't valid sed syntax.
|
|
|NO! It is valid sed syntax.
|

(this is on Pyramid OSx):

Script started on Mon Jul  2 07:22:27 1990
ehviea_leo> sed 's/^$//1' foo > newfoo
command garbled: s/^$//1
ehviea_leo> exit
ehviea_leo> 
script done on Mon Jul  2 07:22:48 1990

So it is at least non-portable.

    Leo.