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Re: "Tailing" grep (Was: cat and grep without destroying file)
From: Brian Fahrlander <brian(at)fahrlander.net>
Date: Sun Sep 30 2007 - 20:37:46 EDT
>
> You can use the "watch" program to effectively achieve this
> functionality.
>
> watch "grep kernel /var/log/syslog | tail -n 20"
Date: Sun Sep 30 2007 - 20:37:46 EDT
Michael R. Head wrote:
> On Sun, 2007-09-30 at 17:04 -0500, Brian Fahrlander wrote:
>> While we've got the attention of the most-able on this subject, I'd >> like to reopen a discussion about a very similar tool: a 'grep' that >> happens on tailing a file. There have been dozens of times that I'm >> looking for a message number in /var/log/mail.log and would love to see >> only the lines mentioning that message. >> >> A couple of years ago I asked and got a "maybe you could write >> something", but I actually never could. It's not as easy as it looks. >> >> Any chance you guys have seen this done?
>
> You can use the "watch" program to effectively achieve this
> functionality.
>
> watch "grep kernel /var/log/syslog | tail -n 20"
Thanks; I'll look into that!
-- ------------------------------------------------------------------------ Brian Fahrländer Christian, Conservative, and Technomad Evansville, IN http://Fahrlander.net/brian ICQ: 5119262 AOL/Yahoo/GoogleTalk: WheelDweller ------------------------------------------------------------------------ -- ubuntu-users mailing list ubuntu-users@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-usersReceived on Sun Sep 30 20:38:46 2007
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