Date: Tue, 16 Jul 2002 14:43:55 -0700 From: "Crist J. Clark" <crist.clark@attbi.com> To: Garrett Wollman <wollman@lcs.mit.edu> Cc: Robert Drehmel <robert@ferrari-electronic.de>, current@FreeBSD.ORG Subject: Re: bug in awk implementation? Message-ID: <20020716214355.GE20381@blossom.cjclark.org> In-Reply-To: <200207152000.g6FK0Tjt084098@khavrinen.lcs.mit.edu> References: <Pine.LNX.4.44.0207150812080.27685-100000@smtp.gnf.org> <20020715173747.A11802@alpha.develop.ferrari.net> <1026759240.7028.1.camel@hilfy.ece.cmu.edu> <20020715214709.A12624@alpha.develop.ferrari.net> <200207152000.g6FK0Tjt084098@khavrinen.lcs.mit.edu>
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On Mon, Jul 15, 2002 at 04:00:29PM -0400, Garrett Wollman wrote:
> <<On Mon, 15 Jul 2002 21:47:09 +0200, Robert Drehmel <robert@ferrari-electronic.de> said:
>
> > You are right. However, I still consider it a bug. :-)
>
> The standard says that the behavior is ``undefined''. That means that
> you computer is allowed to turn into a frog. Actually doing something
> useful is also permitted.
And since it is clearly documented, awk(1) says,
Records
Normally, records are separated by newline characters.
You can control how records are separated by assigning
values to the built-in variable RS. If RS is any single
character, that character separates records. Otherwise,
RS is a regular expression. Text in the input that
matches this regular expression will separate the record.
However, in compatibility mode, only the first character
of its string value is used for separating records. If RS
is set to the null string, then records are separated by
blank lines. When RS is set to the null string, the new-
line character always acts as a field separator, in addi-
tion to whatever value FS may have.
It is not a bug.
--
Crist J. Clark | cjclark@alum.mit.edu
| cjclark@jhu.edu
http://people.freebsd.org/~cjc/ | cjc@freebsd.org
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