Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!rbj
From: rbj@uunet.UU.NET (Root Boy Jim)
Newsgroups: comp.unix.admin
Subject: Re: Overflowing wtmp
Keywords: solution, C, mail me for a copy
Message-ID: <120587@uunet.UU.NET>
Date: 30 Jan 91 05:49:15 GMT
References: <92@tdatirv.UUCP> <705@camco.Celestial.COM> <338@alchemy.UUCP>
Organization: UUNET Communications Services, Falls Church, VA
Lines: 23

In article <338@alchemy.UUCP> bbs@alchemy.UUCP (BBS Administration) writes:
>a copy of my "wsize" program...
>... I run it as a "root" crontask on the 1st and 15th
>of every month and trim it so only the most recent 2500 records are
>retained. It comes with a manual page, makefile, and one C program.

Tsk tsk, overkill. Howabout a range of 2000 to 3000 records? Try

		#! /bin/sh
		cd /usr/adm
		split wtmp
		set x?? /dev/null /dev/null /dev/null /dev/null
		shift `expr $# - 3`
		cat $* > xxx
		mv xxx wtmp
		rm -f x??

>John Donahue, Senior Partner | UUCP: ucrmath!alchemy!{bbs, gumby} | The Future
>  Alchemy Software Designs   | INET: {bbs, gumby}@alchemy.UUCP    | Begins Now
-- 

	Root Boy Jim Cottrell <rbj@uunet.uu.net>
	Close the gap of the dark year in between