From owner-freebsd-hackers  Thu Mar  6 14:14:25 1997
Return-Path: <owner-hackers>
Received: (from root@localhost)
          by freefall.freebsd.org (8.8.5/8.8.5) id OAA15250
          for hackers-outgoing; Thu, 6 Mar 1997 14:14:25 -0800 (PST)
Received: from awfulhak.demon.co.uk (awfulhak.demon.co.uk [158.152.17.1])
          by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id OAA15241
          for <hackers@FreeBSD.ORG>; Thu, 6 Mar 1997 14:14:18 -0800 (PST)
Received: from awfulhak.demon.co.uk (localhost.lan.awfulhak.org [127.0.0.1])
	by awfulhak.demon.co.uk (8.8.5/8.8.5) with ESMTP id WAA24789;
	Thu, 6 Mar 1997 22:11:08 GMT
Message-Id: <199703062211.WAA24789@awfulhak.demon.co.uk>
X-Mailer: exmh version 1.6.9 8/22/96
To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
cc: spaz@u.washington.edu (John Utz), hackers@FreeBSD.ORG
Subject: Re: awk bug? in 2.2 BETA? 
In-reply-to: Your message of "Thu, 06 Mar 1997 21:18:02 +0100."
             <19970306211802.CZ51686@uriah.heep.sax.de> 
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Date: Thu, 06 Mar 1997 22:11:08 +0000
From: Brian Somers <brian@awfulhak.demon.co.uk>
Sender: owner-hackers@FreeBSD.ORG
X-Loop: FreeBSD.org
Precedence: bulk

> As John Utz wrote:
> 
> > mira: {60} cat fd1.dat | awk 'BEGIN { FS = " " }; END { printf "rf= %g; cf
> > = %g\n;", NR, NF }'
> > 
> > rf= 9801; cf = 0;
> > 
> > cf should be 3!
> > 
> > fd1.dat has 9801 lines and 3 colums of data, and this awk is not reporting
> > the columns....
> 
>     NF          The number of fields in the current record.  Inside a
>                 BEGIN action, the use of NF is undefined unless a getline
>                 function without a var argument is executed previously.
>                 Inside an END action, NF shall retain the value it had for
>                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>                 the last record read, unless a subsequent, redirected,
>                 ^^^^^^^^^^^^^^^^^^^^
>                 getline function without a var argument is performed prior
>                 to entering the END action.
> 
> Our version of awk breaks this.  It resets NF to 0 before the EOF is
> seen.

Oops, so much for my opinion :(
-- 
Brian <brian@awfulhak.demon.co.uk>, <brian@freebsd.org>
      <http://www.awfulhak.demon.co.uk/>
Don't _EVER_ lose your sense of humour....