Date: Sun, 9 Aug 2020 21:35:12 -0400 From: Aryeh Friedman <aryeh.friedman@gmail.com> To: Robert Huff <roberthuff@rcn.com> Cc: Ernie Luzar <luzar722@gmail.com>, "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: csh use of grep | tr commands Message-ID: <CAGBxaX=%2B6Lji_zDUKTvrq4Kdo%2BM1jFDjLtDpTuU_Ue1Q_VJ3AQ@mail.gmail.com> In-Reply-To: <24368.41568.96908.196223@jerusalem.litteratus.org> References: <5F30962B.5060005@gmail.com> <24368.41568.96908.196223@jerusalem.litteratus.org>
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On Sun, Aug 9, 2020 at 9:27 PM Robert Huff <roberthuff@rcn.com> wrote:
> Ernie Luzar writes:
>
> > Double quotes are giving me trouble.
> >
> > I have a file with a line in it like this
> > ip4="10.111.098.2"
> > I want to get just the ip address
> >
> > ip=`grep "ip4=" directory-path/file-name
> >
> > $ip ends up having ip4="10.111.098.2" in it
> >
> > ip=`echo -n "${ip}" | tr -d "ip4="
> >
> > $ip ends up having "10.111.098.2" in it
> >
> > Putting | tr """ " "` after the echo above gives error.
> >
> > How do I remove the " around the ip address?
>
> Would awk perhaps be a better tool?
>
Complete overkill for what he wants to do.
He wants to bang a nail in thus only needs a hammer he does not need a nail
gun for only one nail.
--
Aryeh M. Friedman, Lead Developer, http://www.PetiteCloud.org
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