Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!rochester!udel!burdvax!pearl!lang
From: lang@pearl.PRC.Unisys.COM (Francois-Michel Lang)
Newsgroups: comp.unix.questions
Subject: Re: Strange behaviour of awk
Keywords: awk
Message-ID: <9398@burdvax.PRC.Unisys.COM>
Date: 28 Feb 89 14:46:51 GMT
References: <497@eutrc3.UUCP>
Sender: news@PRC.Unisys.COM
Organization: Unisys Corporation, Paoli Research Center; Paoli, PA
Lines: 17

In article <497@eutrc3.UUCP> wsinkees@eutrc3.UUCP (Kees Huizing) writes:
>
>In the use of the UNIX filter "awk" I encountered the following problem.
...
>1. How can the value of $0 depend on whether it has been printed or not?
>   Is this a bug, or do I overlook some mechanism of awk?

This is a known bug that is pointed out in the document by John W. Pierce
    "A Supplemental Document for AWK, or,
     Things that Al, Pete, and Brian didn't mention much".

That paper also describes a number of nifty features that are not documented
in the standard UNIX dscription for AWK.
----------------------------------------------------------------------------
Francois-Michel Lang
Paoli Research Center, Unisys Corporation lang@prc.unisys.com (215) 648-7256
Dept of Comp & Info Science, U of PA      lang@cis.upenn.edu  (215) 898-9511