Date: Sun, 9 Aug 2020 21:26:56 -0400 From: Robert Huff <roberthuff@rcn.com> To: Ernie Luzar <luzar722@gmail.com> Cc: "freebsd-questions\@freebsd.org" <freebsd-questions@freebsd.org> Subject: csh use of grep | tr commands Message-ID: <24368.41568.96908.196223@jerusalem.litteratus.org> In-Reply-To: <5F30962B.5060005@gmail.com> References: <5F30962B.5060005@gmail.com>
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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?
Respectfully,
Robert Huff
--
Get it right: _physical_ distancing; _social_ cohesion
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