csh use of grep | tr commands

[Aryeh Friedman]

On Sun, Aug 9, 2020 at 9:27 PM Robert Huff <roberthuff at 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