From owner-freebsd-questions  Sat May 12 11:43:33 2001
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Date: Sat, 12 May 2001 11:43:10 -0700
From: Doug Barton <DougB@DougBarton.net>
Organization: Triborough Bridge & Tunnel Authority
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To: Doug Young <dougy@brizzie.org>
Cc: "G. Jason Middleton" <gmiddl1@gl.umbc.edu>,
	freebsd-questions@FreeBSD.ORG
Subject: Re: how to email logs files
References: <Pine.LNX.4.31L.02.0105121020100.26113-100000@linux2.gl.umbc.edu> <00ba01c0daf5$55512d80$0300a8c0@oracle>
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Doug Young wrote:

>  To get a daily email of ppp.log, insert the following line in
> "/etc/crontab"
> 
>  30  1  *  *  * root cat /var/log/ppp.log | mail -s "nightly"
> user@your_isp.com

This is the second most useless use of cat. In general, anything you can
do:

cat foo | bar

with you can also do:

bar < foo

with. It is definitely true in the case of 'mail'. 

Good luck,

Doug
PS, the prototypical useless use of cat is, 'cat file | more'

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