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From: Zefram <zefram@dcs.warwick.ac.uk>
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Subject: Re: Is this possible/easy?
To: gt5076c@cad.gatech.edu (Jason Price)
Date: Mon, 3 Mar 1997 16:49:07 +0000 (GMT)
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In-Reply-To: <199703031606.LAA05312@gypsy.cad.gatech.edu> from "Jason Price" at Mar 3, 97 11:06:50 am
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Jason Price wrote:
>I need to generate a script to ping all the IP addresses in a couple
>of class C's.  (So we can double check our records, and see which are
>in use) Is there a way to generate this easilly?

for n in {0..255}; do
  ping 150.150.150.$n
done

or, with 3.1, and less dependent on options,

for((n=0; n<256; n++)); do
  ping 150.150.150.$n
done

I actually have a program that performs a related task, that uses both
of the above methods at different points, for maximal efficiency.

-zefram