csh use of grep | tr commands

Robert Huff roberthuff at rcn.com
Mon Aug 10 01:26:59 UTC 2020


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


More information about the freebsd-questions mailing list