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Date:      Mon, 23 Sep 2002 20:31:55 -0700 (PDT)
From:      =?ISO-8859-1?Q?Mikko_Ty=F6l=E4j=E4rvi?= <mbsd@pacbell.net>
To:        questions@freebsd.org
Subject:   Re: find case-insensitive challenge [cut/sed]
Message-ID:  <20020923202144.K17757-100000@atlas.home>
In-Reply-To: <1032836037.24108.218.camel@duncan>

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On 24 Sep 2002, Duncan Anker wrote:

> On Tue, 2002-09-24 at 12:24, Peter Leftwich wrote:
> > On Mon, 23 Sep 2002, Giorgos Keramidas wrote:
> > > On 2002-09-22 21:53, Peter Leftwich <Hostmaster@Video2Video.Com> wrote:
> > > > That leads me to wonder about using "rev" to reverse the order of
> > > > characters on the line and "cut" using a field delimiter of "."  :)  :)
> > > You probably could, and then use rev to fix the lines back to their
> > > normal form too. `rev | cut -d. -f2- | rev`
> >
> > I definitely favor "cut."  How common across the various Unices/Unixes is
> > cut, that is, does Sun/Solaris or Linux come with cut included?
>
> It's been on every box I've tried to use it on - SunOS, Solaris, Digital
> UNIX, AIX, FreeBSD, Linux ...

It wasn't available on 4.2 BSD (on a VAX) where I first started using
unix -- cut was a SysV:ism.  I don't think Ultrix had it either, and
on SunOS 4 it was delegated to /usr/5bin.

Nowadays, cut is part of SUSv2 and later, so pretty much every system
should have it.

[...]

> You might also want to pick up a copy of "Mastering Regular
> Expressions."

Yes! Highly recommended.  Maybe a bit overkill as a primer on using
sed, though...  ;-)

   $.02,
   /Mikko


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