On Tue, 27 Jul 2004, Marc Perkel wrote:
> OK - I'm running tail on exim logs and extracting IP addresses that
> match a specific criteria. So I have a stream of raw IP addresses coming
> in that I want to pipe into a program that takes each IP address and
> runs a command with the IP address as the parameter.
What I often do is something like
tail -f mainlog | sed '/.* H=[^[]*[[]\([^]]*\).*/!d;s//ping -c 1 \1/' | sh
Tony.
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