[sf-lug] SFLUG.org ...

[Ken Shaffer]

Rick,
Another data point:
Your posted xargs  version (cut and pasted) works fine on my system,
Ubuntu 18.04, bash shell.
Ken

On 4/13/19, Rick Moen <rick at linuxmafia.com> wrote:
> I wrote:
>
>> [...]  Always, the host(1) invocation returns 'not found: 3(NXDOMAIN)',
>> and my best guess is there's some weirdness involving quoting and
>> subshells -- which is a good guess in shell scripting at the best of
>> times.
>
> Re-inventing the thing as a 'for' loop instead of using xargs, I run
> into the same problem on the last snippet following the last pipe,
> because host(1) isn't getting its intended argument.  (Variable $ns is
> getting either not dereferenced or wrongly dereferenced.)
>
> $ for ns in $(whois sf-lug.org | grep 'Name Server' | awk '{print $3}'); do
> host $ns; done
>  not found: 3(NXDOMAIN)
>  not found: 3(NXDOMAIN)
>  not found: 3(NXDOMAIN)
>  not found: 3(NXDOMAIN)
> $
>
> Showing that everything is fine up to the snippet after the final pipe:
>
> $ for ns in $(whois sf-lug.org | grep 'Name Server' | awk '{print $3}'); do
> echo $ns; done
> NS1.LINUXMAFIA.COM
> NS.PRIMATE.NET
> NS1.SVLUG.ORG
> NS1.SF-LUG.ORG
> $
>
> Probably something dumb and simple, but I'll have to sleep on it so
> as to look at it with fresh eyes.
>
>
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