[ale] SHELL: log files monitoring

[Zyman, Andy]

Danny,
> 	Why not use grep?  It will almost certainly be faster 
> than the above.

I don't know. Originnaly I thought that I'll need differnet type of action
in diff. siuations. But know, U are right I'l changeit to grep. Thank You
for input.

 
> 	More broadly, what are you trying to accomplish?  Is 
> there a need, for example, to not see dups?  Is that the reason 'tail' is
used?

I have Oracle Db and I'm monitoring alert<sid>.log ( it's the output of what
happenning to instance (db) ).
 I just want to see if db:
 was shutting down - shoot email do dba,
 up - email. 
 "Alter database" statemnet - email. this kind of action.

Andy


> -----Original Message-----
> From: Danny Cox [mailto:danscox at mindspring.com]
> Sent: Thursday, February 14, 2002 2:35 PM
> To: Zyman, Andy
> Cc: 'ale at ale.org'
> Subject: Re: [ale] SHELL: log files monitoring
> 
> 
> Andy,
> 
> On Thu, 2002-02-14 at 11:45, Zyman, Andy wrote:
> > Hello.
> > Happy Valentines Day folks :)
> 
> 	And to you too.
> 
> > I have simple task : I need to monitor a log files for 
> particular string.
> > 
> > for this purpose I made QD script which is doing basically this:
> > 
> > for i in $* ; do
> >  tail -f | while read line
> > 	case $line
> > 	    <word i'm looking for>)   send email ;;
> >  	esac
> >  done &
> > done
> 
> 	Why not use grep?  It will almost certainly be faster 
> than the above.
> 
> 	More broadly, what are you trying to accomplish?  Is 
> there a need, for
> example, to not see dups?  Is that the reason 'tail' is used?
> 
> -- 
> kernel, n.: A part of an operating system that preserves the
> medieval traditions of sorcery and black art.
> 
> Danny
> 


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