Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!news.albasani.net!feeder.erje.net!ecngs!feeder2.ecngs.de!zen.net.uk!hamilton.zen.co.uk!shaftesbury.zen.co.uk.POSTED!not-for-mail
Newsgroups: comp.lang.awk
From: Geoff Clare <geoff@clare.See-My-Signature.invalid>
Subject: Re: Regular expression in awk
References: <4e09d4fd-8351-45f0-8f17-b6ac0d32e19a@l18g2000yql.googlegroups.com> <ini7kr$410$1@news.m-online.net> <02482113-48f0-4690-b20c-98f906b1cd51@w7g2000yqe.googlegroups.com> <qjn078-7j2.ln1@leafnode-msgid.gclare.org.uk> <inkeb1$2pi$1@tornado.tornevall.net>
User-Agent: XPN/1.2.6 (Street Spirit ; Linux)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Date: Fri, 8 Apr 2011 13:18:09 +0100
Message-ID: <11b378-vho.ln1@leafnode-msgid.gclare.org.uk>
Lines: 20
Organization: Zen Internet
NNTP-Posting-Host: e3def000.news.zen.co.uk
X-Trace: DXC=\Zc[d=`<[U\lmDmddMoV?Znok4Z\<mH4YhDU:2=XKPkXP44Me_^l9[YTDhc?`3Q0aX9^]lbGe9nc[4_If6OO8`7U
X-Complaints-To: abuse@zen.co.uk
Xref: x330-a1.tempe.blueboxinc.net comp.lang.awk:140

Aharon Robbins wrote:

> Geoff Clare  <geoff@clare.See-My-Signature.invalid> wrote:
>>The ERE equivalent of the BRE you used with grep is:
>>
>>PV1|([^|]*|){16}|X
>
> It may be that awk on AIX does not support interval expressions
> (x{16}); this should be tested too.

They are required by the POSIX/UNIX standard, and AIX is certified
as conforming.

I suppose it's possible that they are not supported by default in
awk and you need to do something to set up a conforming environment,
but I think that's unlikely.

-- 
Geoff Clare <netnews@gclare.org.uk>