Date: Fri, 15 Sep 2017 14:30:19 +0100 From: RW <rwmaillists@googlemail.com> To: freebsd-questions@freebsd.org Subject: Re: Help scripting dns lookup using awk Message-ID: <20170915143019.2e02d386@gumby.homeunix.com> In-Reply-To: <59BB24E4.6060908@gmail.com> References: <59BB24E4.6060908@gmail.com>
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On Thu, 14 Sep 2017 20:55:00 -0400 Ernie Luzar wrote: > The following sh script works, but runs very slow. Almost certainly the reason it's slow is that you are doing sequential synchronous lookups. Switching to another language isn't going help much. To speed it up you either need to switch to a language with a DNS library that supports asynchronous lookups or fire-off parallel child processes. The latter is easier.
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